Costume Institute Gala: See the Dresses!

J.Lo, Renée and a pregnant Naomi Watts wow the NYC crowd. By Andrea DeSimone

  • LUCY LIU photo | Lucy Liu

Credit: Evan Agostini/Getty

Updated: Tuesday May 08, 2007 | 01:00 PM EDT

LUCY LIU

The petite star pops in a vibrant purple Zac Posen number with ruffled train and Fred Leighton jewels.