Best Dressed 2013

Stars Who Brought Sexy Back

This year's hottest trend? Daring to bare your backside! From Julianne Hough to Anne Hathaway, see who took the plunge

ROSIE HUNTINGTON-WHITELEY

To promote Transformers: Dark of the Moon, the model-turned-actress mixes high style with sex appeal, hitting the Berlin red carpet in a striking gown featuring a high neck and low back by Naeem Khan.