Rachel Riley has partnered with HSBC to front its latest ad campaign, warning customers to be aware of online fraudsters, particularly whilst shopping on Cyber Monday and in the run up to Christmas.

The Countdown star appears in a 'fake video' for the bank, posing as an impostor who isn't really good at maths, and posted on Instagram 'Bad at maths? Me!?! That’s my thing! Were you confused, suspicious, or taken in hook, line and sinker? Don’t feel too bad if you were, even I couldn’t tell what was me!'.