Lady Gaga
The pop star made a memorable entrance as always.
Rose Byrne
This brunette beauty is presenting the Fashion Wizard Award to Catherine Martin, who is a costume designer with a Tony Award and two Academy Awards.
Lily Collins
The young star, who stuns in this nude Julian McDonald gown, is presenting the Game Changer award to Carissa Moore, who has raised the profile of women's surfing.
Lena Dunham
The Girls star helps honor Melinda Gates with the Advocate award for tackling the toughest global health issues.
Hilaria Baldwin
Kudos to this new mom and her amazing post-baby body!
Katie Couric
The TV journalist struts a pose while wearing a red and black frock on the red carpet.
Iman
This supermodel illustrates how a pantsuit is done.
Christy Turlington Burns
The 44-year-old looks flawless in this long black gown.
America Ferrera
The actress was all smiles while flaunting her tiny figure on the red carpet.
Coco Rocha
Leave it to this model to get fierce in front of the camera.
Cindi Leive & Barbra Streisand
The Glamour magazine Editor-in-Chief and music icon stand side-by-side for the cameras.