Sophia Bush brought her hunky beau Austin Nichols.

Sophia stunned in a Monique Lhuillier Spring 2010 gown, which featured
dropped shoulders and a sexy slit up the front.

The One Tree Hill star looked gorgeous with brown, lightly smoked eyes and
berry-stained lips.

Nicky Hilton shimmered in a splashy and somewhat sheer aqua one-shouldered
gown.

Paris shimmered in a super sexy, low-cut white floorlength.

Ali Landry opted for a conservative blue frock, which was gathered in the
front. She paired the simple dress with strappy, white sandals.

Kelly Rutherford looked simply stunning, wearing an attention-grabbing
necklace with a grey maxi dress.

Brody Jenner’s mom Linda Thompson was popping out of her pink Herve Leger.

Tom Arnold rocked an extremely bright blue suit and orange tie.

Melissa Rycroft jazzed up a perfectly fitting black tube dress, with silver
heels and oodles of jewelry.

Deborah Gibson flaunted her super svelte bod in sexily cutout mini.

Caprica’s Alessandra Torresani looked red haute in a lace one-shouldered
mini and Christian Louboutin leopard peep-toes.

Jessica Lowndes was a strapless sweetheart, stunning in her white, tiered
mini, which featured a black belt. Sergio Rossi’s finished off the look.

Mayim Bialik (Blossom) kept it sophisticated and simple in a blue,
flutter-sleeved shift.

Anne Heche showed off her slender figure in a black, cap-sleeved
body-hugger.

Avril Lavigne loaded up the bling with her black mini.