Hollywood's leading ladies swear by exercise to keep their star shining.
Jane Fonda (71)
The famed fitness guru's 1982 work-out video is still the biggest selling in the market. She says: "When it comes to looking good I owe 30pc to sports and nutrition, 30pc to genes, 30pc to good sex and the remaining 10pc is thanks to my plastic surgeon."
Helen Mirren (64)
The award-winning actress says she has a lazy attitude to keeping fit but swears by Canadian Airforce Exercises -- a five-step routine of stretches and on the spot running that can be done anywhere and only takes 15 minutes.
Andie Macdowell (51)
She may be a spokesmodel for L'Oreal but the wrinkle-free actress thanks hours on her bike, pumping iron and doing yoga for maintaining her youthful good looks.
She reveals: "Exercise is the most important factor in looking young, if I don't exercise every day, I'm disappointed."
Self-confessed fitness junkie, Madonna rarely does less than two hours a day, working in the gym, on her Stairmaster, Power Plate, swimming or practising Ashtanga yoga.
She says: "My body is an important instrument, working out helps my singing."