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You are scrolling through Facebook when a familiar face stops you: a trusted money expert, on what looks like a television interview, explaining that he has found an investment platform that pays out hundreds of pounds a day. The video looks real. The voice sounds right. The show’s graphics are all there. It is also, very probably, a fake.
A fake celebrity endorsement scam is an advert that uses a famous person’s face or voice, usually faked with AI, to sell something they never endorsed. Treat every celebrity endorsement in a paid ad as fake until you prove otherwise: reverse-search a still from the video, check the celebrity’s own channels, and check the firm before you pay anything.
This guide teaches you the photo check that settles the question in a few minutes. It is about identity: did this real person actually endorse this product? If the advert shows a transformation photo or a before-and-after result instead, that is a different check, about evidence rather than identity. Here, the face is the claim — and the face is where the checking starts.
What is a fake celebrity endorsement scam?
A fake celebrity endorsement scam is a paid advert in which a well-known person’s face, voice or name is used without their permission to sell an investment, product or giveaway they have never endorsed. The endorsement is the product: the scammer is not really selling a trading platform or a supplement, they are selling borrowed trust, and the famous face is what makes a stranger’s advert feel safe.
Most of these adverts are now made with deepfake tools. A deepfake is a video or audio clip generated by AI models trained on real images, video and audio of a person, so it can show them saying words they never said. Cybernews reports that a synthetic identity kit, complete with an AI-generated face, a cloned voice and fake credentials, sells for as little as $5 on dark web markets. Faking a celebrity endorsement no longer takes a production studio; it takes a laptop and a few minutes of public footage.
The pattern is not new, but the production quality is. MoneySavingExpert’s own data analysis shows that Martin Lewis’s face is used by scammers more than that of any other celebrity, and MoneySavingExpert reports that he was the most commonly used identity, at 44 per cent, in scam adverts reported to Action Fraud in 2024, followed by Elon Musk at 40 per cent and Jeremy Clarkson at 8 per cent. The scale is still growing: figures published by the City of London Police in October 2026 showed that victims lost £24.3 million to investment scams using AI and deepfake endorsements between January and August 2026, across more than 1,300 reports, with people aged 60 or over making nearly 80 per cent of them.
The adverts appear almost everywhere people scroll: Facebook, Instagram, YouTube, TikTok, X, MSN, Yahoo, Google ads, WhatsApp and mobile gaming sites. MoneySavingExpert lists all of these among the places fake Martin Lewis adverts have been seen. The most common pitch is crypto or investment — a trading platform with guaranteed returns — but the same machinery sells supplements, “wealth loopholes”, energy schemes and fake giveaways. Our complete guide to photo scams covers the wider family of image-based frauds; this guide stays on the one question that matters here: is the endorsement real?
How does a fake celebrity endorsement scam work?
Understanding the chain helps you spot it, because every stage is designed to move you one step further from the place where you could check. It usually runs like this:
- The advert. A short video, styled like a news segment or a talk-show clip, shows the celebrity apparently recommending a platform. It is a paid ad, so it can reach you even if you never follow the celebrity or the product.
- The fake news page. Clicking opens a page dressed up as a BBC, Mirror or newspaper article, complete with a masthead, a byline and comments from “readers” who all made money. The web address is not the newspaper’s — that is the tell, and it is easy to miss on a phone.
- The sign-up form. You are asked for your name, phone number and email, then a small first deposit, often around £200. The form looks like account creation; it is really lead capture.
- The “account manager” call. Someone phones you, often from a personal mobile number, and walks you through depositing more. They are friendly, knowledgeable and in a hurry.
- The dashboard. Your account shows your money growing fast. The figures are invented, and screenshots of them are designed to keep you depositing. If a screenshot is doing the persuading, run it through the checks in our fake screenshot checker guide before you believe a number on a screen.
- The withdrawal trap. When you try to take money out, you are told to pay a fee, a tax or a “liquidity loan” first. You pay, and the withdrawal never comes. Each fee is presented as the last one.
Two features run through the whole chain. First, urgency: “limited places”, “offer ends tonight”, “the banks want this shut down”. Genuine investments do not expire at midnight. Second, secrecy: you are told you have been specially chosen, or that the opportunity should be kept quiet. The FCA’s own warning-signs list names both pressure to act quickly and being told you were specially chosen as classic scam markers.
Some adverts end at an unknown online shop rather than an investment platform. If the link leads to a store you have never heard of, the product photos are your next check — our guide to checking whether an online shop is real from its product photos shows how a stolen catalogue gives a fake shop away.
How do you check a celebrity endorsement with a photo search?
This is the check the whole guide is built around. A video is hard to verify as a whole, but a single still frame is a photograph — and photographs can be traced. Work through the steps in order, and do not pay anything until you have finished them.
- Pause the video and take a clean still. Pick a frame where the celebrity’s face is clear and front-on, with no text banner across it. On a phone, pause and screenshot, then crop tightly to the face and shoulders. Avoid frames with heavy motion blur.
- Reverse-search the still. Upload it to our free reverse image search tool, which checks one picture across six engines at once. A still taken from genuine broadcast footage behaves in a particular way: it matches the real programme, the celebrity’s own clips and news coverage of the real interview.
- Read the results for what is missing, not just what is there. If the same still appears on the celebrity’s own channels, on the broadcaster’s site or in news coverage of a real interview, you have found the source material. If it appears on warning pages, fact-checks and scam-reporting sites — or alongside a product the celebrity has publicly disowned — you have your answer. If nothing matches at all, be careful: a fully generated face has no earlier copies anywhere, so silence is not a pass. A supposedly famous person whose face exists nowhere except in that one advert has no footprint because there is no real footage behind it.
- Check the celebrity’s own verified channels. Search the celebrity’s name and the product on their official website, their verified social accounts and their newsletter. A genuine endorsement is announced there, in their own words, and it stays there. MoneySavingExpert puts it bluntly about Martin Lewis: he never endorses products, so any advert showing him endorsing one is fake — and the same test applies to anyone else. If the only place the endorsement exists is the advert itself, it does not exist.
- Check the firm, not the face. Almost all financial services firms in the UK must be authorised or registered by the FCA, and the FCA’s ScamSmart pages explain how to use its Firm Checker to confirm whether a firm is genuine. Search the firm’s name and reference number there, using the contact details on the register rather than the ones in the advert. A firm that is not on the register, or whose details do not match, ends the enquiry.
- Search the product’s name with the word “scam”. Type the product name plus “scam”, “review” and the exact return the advert promises, such as “£35,000 a month”. Scam products are renamed often, but the promised figures travel with them, and victims’ reports surface under the same numbers.
The whole check takes about five minutes, and it works because the scam depends on you never doing it. The advert is built to be believed in the three seconds before you scroll on; the still-frame search is what happens when you stop and look.
Worked example: the “interview” that never happened
The best-documented case of a fake celebrity endorsement scam in the UK is the Martin Lewis “interview” promoting a crypto platform called Quantum AI, and it is worth walking through because it shows every step of the check working on a real advert.
In 2023, a video circulated that appeared to show Martin Lewis interviewing Elon Musk, with Lewis personally recommending Quantum AI. Cybernews, which reported the case, describes it as looking like a real television segment, down to Lewis’s voice and his show’s on-screen graphics. The advert promised that investing just £200 would guarantee a monthly income of at least £35,000, according to MoneySavingExpert’s account of the same ads.
Here is how the photo check resolves it. First, take a still from the video and reverse-search it: the frame is built from genuine footage of Lewis’s show, so the search surfaces the real programme and the coverage of the fake, not a product endorsement. Second, check the celebrity’s own channels: MoneySavingExpert’s fake Martin Lewis adverts page states plainly that Martin never endorses products and nor does MoneySavingExpert, and lists Quantum AI among the fake adverts. Lewis himself posted on X in July 2023 warning that the video was a deepfake scam by criminals trying to steal money, and calling it the first deepfake video scam he had seen with himself in it. Third, check the firm: no FCA-authorised firm stands behind the platform, and the “guaranteed” monthly income contradicts the FCA’s own warning that if an offer sounds too good to be true, it probably is.
The outcome is unambiguous, and it is the outcome the public record gives, not a guess: there is no genuine endorsement anywhere. The same footage keeps resurfacing under new product names, which is itself a signature — MoneySavingExpert notes that the firms behind these adverts disappear with people’s money and reappear under a different name, with the same people and software behind them.
The cost of skipping the check is documented too. Cybernews reports that a Brighton tradesman who saw the same advert took out roughly $101,000 in loans chasing the platform’s promised returns. In September 2026, the Police Service of Northern Ireland warned that a man had lost £250,000 after an AI video of a well-known finance personality promoted a fake investment. These are not hypotheticals; they are what happens when a familiar face is taken at face value.
What are the warning signs in a deepfake advert?
No single tell proves a video is fake — the newest generators have fixed many of the flaws that used to give them away, including hands and on-screen text. Read the pattern across the whole advert, and treat a clean-looking video as unproven rather than genuine. These are the signs that matter most:
| Warning sign | What you see | What it means |
|---|---|---|
| Guaranteed returns | “£700 a day”, “£35,000 a month”, “no risk” | No genuine investment guarantees returns. The FCA lists offers that sound too good to be true as a primary warning sign. |
| Urgency and secrecy | “Limited places”, “offer ends tonight”, “keep this to yourself” | Pressure is a tactic, not a deadline. Genuine firms do not mind you taking time to think. |
| Endorsement exists nowhere else | The celebrity never mentions the product on their own channels | A real endorsement is announced by the celebrity. If only the advert says it, it is not real. |
| Fake news page | Cloned newspaper layout, odd web address, no real journalist | The page borrows a masthead it does not own. Check the address bar, not the logo. |
| Unrecoverable payment | Bank transfer, crypto, gift cards, payment to a personal name | These methods are chosen because money sent this way usually cannot be recovered. |
| “Account manager” pressure | Calls from a personal number urging larger deposits | Regulated firms do not cold-call you into topping up an account. |
| Profits you cannot withdraw | Dashboard shows gains, but withdrawal needs a fee first | The dashboard is part of the scam. A fee to release your own money is the trap, not a procedure. |
There are also visual tells worth knowing, though they are weaker than they used to be. Cybernews notes that AI-generated video often gets blinking wrong — too rare, too frequent or mechanically regular — and that ears, teeth and backgrounds are still hard for generators to render cleanly, so look for blurring, warped lines or objects that shift between frames. Listen, too: a flat, slightly robotic tone, sentence endings that clip abruptly, and lip movement that does not match B, M and P sounds are all worth treating as red flags rather than a bad connection.
One more pattern belongs here because it catches people who pass the other checks. Some adverts do not use a real celebrity at all: they use a fully synthetic person — a face that belongs to nobody — as a “satisfied customer” in a testimonial. Since the face is not tied to a real identity, it cannot be reverse-searched back to a previous scam the way a stolen real photo can. If an advert’s testimonials all feature people you cannot trace anywhere, treat that the same way you would treat an endorsement you cannot verify. Our guide to AI influencers and fake model profiles explains how generated faces behave differently under a reverse image search.
What about fake celebrity giveaways?
Fake giveaways are the same scam with different bait, and they deserve a section of their own because the check is slightly different. Instead of an investment, the advert promises that a celebrity is giving away phones, cars, cash or gift cards — click the link, enter your details, and the prize is yours.
The giveaway version has its own tells. The prize appears only in the advert, never on the celebrity’s verified account. The claim process asks for a “delivery fee”, a “processing charge” or your card details — a genuine giveaway never asks you to pay to receive a prize. The account running it is a lookalike: a misspelt handle, a recently created profile, or a “fan page” with no link to the celebrity’s official presence. And the comments are full of winners, all posting within minutes of each other, none of whom you can trace.
Run the same photo check: screenshot a still from the giveaway video and reverse-search it. In most cases the still traces to a genuine public appearance, a red-carpet photograph or an old interview — material that has nothing to do with a giveaway. Then check the celebrity’s own channels for any mention of the prize. If there is none, there is no giveaway, and the “delivery fee” is the whole point of the advert.
What should you do if you have already paid?
If you have sent money or shared details because of a fake endorsement, speed matters more than embarrassment. Do this now, in this order:
- Contact your bank or card provider immediately. Ask about a chargeback or a fraud dispute, and for credit card purchases over £100, ask about Section 75, which can make the card provider jointly liable. Act within hours, not days: with bank transfers, banks can sometimes intervene within the first 24 to 72 hours, and have far less power after that window closes.
- Stop all contact and pay nothing further. Do not pay a “withdrawal fee”, a “tax” or a “liquidity loan” to release your money. Do not let the same people “help” you recover it — recovery-room scams, where someone offers to get your money back for a fee, are a second fraud aimed at the same victims.
- Report it. In England, Wales and Northern Ireland, report to Report Fraud on 0300 123 2040 or through its website; in Scotland, report to Police Scotland. Report the advert itself to the platform it appeared on and to the Advertising Standards Authority, and if the advert used Martin Lewis, forward it to MoneySavingExpert, which asks readers to send screenshots and links so it can track the latest scams.
- Save everything. Screenshots of the advert, the fake news page, the messages and the payment confirmations, with dates — before the site vanishes and takes the evidence with it.
- Watch the card you used. Some of these operations harvest card details for later use. If you believe the site was harvesting, tell your bank and consider a replacement card.
Finally, remember what the check in this guide actually proved. A famous face in an advert proves nothing about the product — it proves only that someone could copy a face. The endorsement that counts is the one you can find on the celebrity’s own channels, for a firm you can find on the regulator’s register, at a price that makes sense. If any of those three is missing, walk away, report the advert, and tell someone else how the check works: the next person to see it may not have five minutes to spare.
FAQs
Did Martin Lewis really endorse Quantum AI?
No. MoneySavingExpert states that Martin Lewis never endorses products and nor does MoneySavingExpert, and its fake adverts page lists Quantum AI among the scams using his face. Lewis himself warned on X in July 2023 that the video was a deepfake scam. Any advert showing him recommending an investment platform is fake, however convincing the video looks.
How do I report a scam advert?
Report the advert to the platform where you saw it and to the Advertising Standards Authority. If you lost money, report to Report Fraud on 0300 123 2040 or through its website, or to Police Scotland if you are in Scotland. Keep screenshots, links and payment records, and tell your bank the same day.
Can a celebrity endorsement in an online ad ever be real?
Yes, genuine endorsements exist, but they are announced on the celebrity’s own verified channels and on the brand’s own website, and they stay there. A paid social media advert is not evidence of anything. If the endorsement appears only in the advert and nowhere the celebrity controls, treat it as fake until the celebrity’s own channels say otherwise.
What is a deepfake advert?
A deepfake advert is a video or audio clip made with AI that copies a real person’s face and voice to show them saying something they never said. Check it with a still-frame reverse image search, look for the endorsement on the celebrity’s own channels, and verify the firm on the regulator’s register before paying.
