But Catherine Tyldesley's has worked hard for her flawless good looks.
And now, after losing an incredible six stone, the Coronation Street star has opened up about exactly how she managed to achieve such an incredible transformation.
Want a body like this? Coronation Street star
Catherine Tyldesley has revealed the secrets behind her incredible
six-stone weight loss
As she was: As a teenager, Catherine weighed 22 stone
But she's now a svelte size 10, thanks to her diet and exercise regime, as well as the help of her boyfriend and personal trainer Sam Witter.
Now a svelte size 10, the 29-year-old reveals how she dropped a dramatic six dress sizes and shed six stone.
In an interview with The Sunday People, the Corrie star reveals that her personal trainer and boyfriend Sam Witter helps her to keep fit and the flab at bay.
Sharing her diet tips the pretty blonde star told The Sunday People that willpower is the key.
She says: 'Most people's New Year's resolution is to get fit and lose weight but so many quit after a small amount of time. It all about finding a way of keeping going.'
And Catherine who has designed a special diet and exercise plan with Sam says it's important to eat the food out bodies are designed for.
She said: 'The beauty of the plan is that it is sustainable, a lifestyle change that is not one of those fad diets.
'Its very basic just taking things back to the food that our bodies are designed for.
Super-slim: Catherine owes her size 10 physique to rigorous daily exercise routines
Keeping the flab at the bay: Corrie star Catherine has worked hard to shift the six stone she carried as a teenager
'The results are amazing, people are like 'oh my God, it was so easy. People make tiny changes and see a huge difference. I don't deprive myself, I eat loads but I eat the right foods'.
But Catherine says its important not to deny oneself completely. She says: 'You need to have a little bit of what you fancy, life it too short, you need to be good 90 per cent of the time'.
Fitness goddess: Catherine Tyldesley in full workout mode. The actress admits it the secret to her incredible weight loss