Which Diva Wore It Better? Kristen Stewart Or Christina Aguilera

Kristen Stewart Or Christina AguileraKristen Stewart first wore this fabulous black lace one-shouldered Valentino dress to the screening of "Welcome To the Rileys" in New York. The "Twlight" actress looked great in her dress and she finally learn how to pose on the red carpet. She completed her look with a messy up-do and black heels.Christina Aguilera wore hers to the "2nd Annual Mary J. Blige