05/16/2005 at 01:00 AM EDT
The gala cochair wore a chanel dress and a diamond necklace by Fred Leighton.
"I feel dreamy and floaty," said Watts of her Calvin Klein Collection gown.
"Michael Kors designed her dress and asked me to be his date," she said.
Stepping out in head-to-toe Louis Vuitton, Cross commented, "The whole night was amazing."
MARY-KATE & ASHLEY OLSEN
Arriving hand in hand, both opted for vintage frocks—Ashley (right) wore Oscar de la Renta.
The Channel designer and honoree was flanked by Kidman most of the night.
"Everyone is so beautiful," said Peet, who was in a Marc Jacobs dress and a Fred Leighton diamond headband. "It's overwhelming."
Decked out in a Chanel ballgown, Blair said, "I feel like Cinderefla."
She chose this velvet Marc Jacobs creation in red, her favorite color.
Elegant gave way to edgy (left) and playful
The actress was ready to ruffle a few feathers in a short dress by Balenciaga.
In the mood to make a fashion statement, the model spelled it out in a sweeping gown by Viktor & Rolf.