The 84th Annual Academy Awards is a special night for many in Hollywood, but before anyone makes their acceptance speeches, they have to hit Oscars Red Carpet Live! On this special segment, all the stars showcased their ensembles from a variety of designers. The celebs who looked absolutely dazzling on the red carpet were George Clooney with Stacy Keibler, Brad Pitt and Angelina Jolie, Mario Vasquez with Maria Menounos, Jennifer Lopez, Cameron Diaz, Gwyneth Paltrow, and , Jean Dujardin. Many other celebrities stole the night with great gowns and presence such as Natalie Portman, Milla Jovovich, Sandra Bullock, Penelope Cruz, Octavia Spencer, Tina Fey, Emma Stone, Rooney Mara, Rose Bryne, Michelle Williams, Viola Davis, and Jessica Chastain. See more pics below.