Liv Tyler goes Grecian in a Calvin Klein Collection and Van Cleef and Arpels Jewelry.


Renee Zellweger hits a homerun in a beaded Carolina Herrera.


Kate Moss wore one of her own Topshop designs, to rave reviews.


Jennifer Hudson dazzles in a one shouldered Michael Kors dress with Lorraine Schwartz jewels.


Sandra Bullock looks fantastic in a red Alberta Ferretti number.


Kate Bosworth shows off her Hawaiian tan in Prada with Fred Leighton jewels.


Jennifer Garner goes with what has worked before, and wears a vintage Valentino in fire engine red.


Scarlett Johansson puts the costume back in the gala while wearing Stella McCartney, fishnets, and platform pumps.


Cameron Diaz redeems herself from her Golden Globes and Oscars dress disasters in a fucshia Dior by John Galliano. Now if she could just hire a hairstylist...


Jennifer Lopez looks divine in a 1940's inspired Marchesa gown, and lots of bling.

There were many more spectacular dresses, and some that didn't quite make the grade. For more pictures of the dresses and celebs attending, click here.

Photos: People.com

Labels: Costume Institute Gala