Julianne Hough

The 23-year-old American dancer/singer/actress topped the list. Julianne hates gymming, but dancing up a storm and keeping an eye on her diet does the trick.

Marisa Miller

The Sports Illustrated and Victoria’s Secret supermodel made it to second place. Thirty three-year-old Marissa is one of the sexiest women in the world alright.

Lea Michele

The star of hit musical series Glee Lea may be petite, but she has the toned look of an athlete. She’s known to be a fan of Bikram yoga.

Brooke Burke

Dancer, model, TV personality — and definitely a knockout! At 40, Brooke is still sizzling and she’s even released her own workout DVD.

Katharine McPhee

Musician and actress Katharine used to suffer from an eating disorder, but she’s beaten it and at 28 is in the best shape of her life. She nabs fifth place.

Selena Gomez

Justin Beiber’s girlfriend is a hottie and at 19, she’s beginning to cultivate quite a grown-up image with bikini pics!

Rachel Bilson

The O.C. actress Rachel looks right at home in a two piece and enters the Women’s Health round-up at Number Seven.

Olivia Wilde

Well, she certainly has a wild bikini bod! Brunette beauty Olivia, 28, takes eighth place.

Gwen Stefani

She’s a mother and 42, but Gwen still has the best abs in the business. The musician-cum-fashion designer has an intense workout regime that comprises weightlifting, boxing and cardio — plus, she eats only organic foods as far as possible.

Kate Hudson

Another mommy who makes the list is golden-haired stunner Kate. Five small meals a day, Pilates and dancing keep her in top form.