Kim Kardashian
The mom-to-be hit the event in a long-sleeved black frock.
Scott Disick and Kourtney Kardashian
Kourtney wowed in a blue Mlle Mademoiselle number while Scott looked very sharp in a clean black suit.
Giuliana Rancic
The E! News host opted for a simple black Amen sheath and BaubleBar statement necklace.
Ryan Seacrest
No tie, no problem! The American Idol host showed how to pull off the casual suit look.
Kelly Osbourne
Hot under the collar! Kelly paired a ruffled top with a simple skirt combo.
Terrence Jenkins
Looking sharp! The E! News host is all smiles on the red carpet.
Kris Jenner
Like mother, like daughter! Kris donned a red Valentino dress almost a year after Kim stepped out in a similar lace frock.
Kevin and Danielle Jonas
While Danielle wore a printed dress, Kevin opted for a green and blue suit combo. The Married to Jonas stars and real-life couple managed to match their look by coordinating her peachy heels with his pocket square.
Jason Kennedy and Ryan Lochte
One dapper duo! Both guys looked extremely handsome in tailored suits.
Jessie James and Eric Decker
The country singer matched perfectly with her NFL beau, both of whom will be coming to E! in a new series about their life together.
Chelsea Handler
Suit up! The funnylady posed in a cute blazer with matching pants.
George Kotsiopoulos
Well, yellow there! The Fashion Police host showed he wasn't afraid of sporting bright colors.
Alicia Quarles
The E! News correspondent brightened up the carpet in a neon stripped dress.
Joel McHale
The Soup host cleans up nicely in a a navy blue suit.
Catt Sadler
The E! News Weekend host looked gorgeous in a floral peplum Angelys Balek dress and dark plum lipstick.
The Bella Twins
The WWE Divas flaunted their fit figures in metallic minis.