A slew of stylish stars stepped out on the red carpet in stunning gowns this week. We narrowed it down to four celebs who totally wowed us with their sartorial skills -- but only one can be at the top of the best dressed list. Vote for the look you loved most!

After being absent from the red carpet for a week and change, Rosie Huntington-Whiteley stepped out to promote her film, Transformers: Dark of the Moon, in China on Thursday. The 24-year-old actress looked white-hot in a Dolce & Gabbana lace dress.

Tennis ace Maria Sharapova turned up at the 2011 ESPY Awards in L.A. on Wednesday in head-to-toe Alexander McQueen. The 24-year-old court queen (who's already 6-foot-2) reached new heights in towering jeweled heels.

After wrapping up her last Harry Potter and the Deathly Hollows: Part 2 premiere duties, Emma Watson, 21, wore a silver embellished one-sleeve Balmain dress to her appearance on The Late Show with David Letterman in NYC on Monday.

Nicole Kidman looked red-hot in an Elie Saab structured cocktail dress and nude Jimmy Choo sandals. The 44-year-old actress attended an NYC screening of Snow Flower and the Secret Fan on Wednesday.

Poll

Who Was the Best-Dressed?

Rosie Huntington-Whiteley
Maria Sharapova
Emma Watson
Nicole Kidman
4517 Total Votes
Who Was the Best-Dressed?