A who's who of Hollywood celebrities and fashion elite hit the red carpet to celebrate the annual Metropolitan Museum of Art's Costume Institute Gala Benefit.
Celebrities at the event were Penelope Cruz, Salma Hayek, Eva Mendes, Beyonce, Kirsten Dunst, Demi Moore, Blake Lively, Jennifer Lopez, Madonna, Frieda Pinto and Ashley Greene.
Check 17 more images after the jump.
