Who Wore It Best?: Sophia Bush, Christina Aguilera or Khloe Kardashian?

Three stars, one dress. Who wore it best?

Christina Aguilera, 31, looks striking in a promo image for the third season of NBC's The Voice Wearing a black and white Herve Leger by Max Azria dress,partners actress Sophia Bush, 30, paired the look with black pumps at the Art of Elysium Genesis celebration in L.A., and E! reality star Khloe Kardashian, 28, wore the same design at Beach Bunny Swimwear's grand opening party in L.A.