She's best known for playing feisty barmaid Eva Price in Coronation Street between 2006 and 2018.
But Catherine Tyldesley looked unrecognisable as a throwback snap from her role in hit comedy Two Pints of Lager and a Packet of Crisps emerged.
The actress, 35, only appeared in the sitcom for one episode back in 2011, but that didn't stop one eagle-eyed fan from spotting the soap star, who looked drastically different from what she does now.
Who's that girl? Catherine Tyldesley looked unrecognisable as a throwback snap from her role in hit comedy Two Pints of Lager and a Packet of Crisps emerged
The snap emerged when one fan tweeted a screen grab of her scene, writing on Twitter: 'Watching old episodes of Two Pints of Lager and look who popped up @Cath_Tyldesley you just never age one bit.'
Seeing the funny side to the retro snap, the star replied: 'the power of make up! But Thankyou! Xx', alongside several crying with laughter emojis.
The image in question sees a fresh-faced, blonde haired Catherine in her small role as Amy, in an episode titled Cheese Toastie.
The scene, which aired eight years ago, sees lead character Donna, played by Natalie Casey, swallow her pride and sign-on at the job centre.
Current look: The actress, 35, only appeared in the sitcom for one episode back in 2011, but that didn't stop one eagle-eyed fans from spotting the soap star
There, she runs into her former school bully Amy, who just so happens to work at there as a clerk.
Nowadays, Catherine looks worlds away from her old school look, sporting sleek, brunette tresses and a sharp bone structure.
Earlier this month, the mum-of-one admitted she 'doesn't recognise the person she was before she dropped seven dress sizes'.
She famously dropped from a size 22 to a size 8-10 after adopting a healthier lifestyle.
Look who it is: The snap emerged when one fan tweeted a screen grab of her scene,
