Winter's Hottest Celeb Beach Bods

Julianne Hough, Rosie Huntington-Whiteley, Cameron Diaz and more are turning up the heat with their sexy swimwear – and toned physiques!

JULIANNE HOUGH

The singer hits the beach in a teal bandeau bikini during a romantic getaway to St. Barts with boyfriend Ryan Seacrest (not pictured).