Parties! The style, stars and scoop from Hollywood's hottest events

The halls were decked on Hollywood Blvd at the premiere of Four Christmases, where Witherspoon was in good cheer as she walked the green carpet. "It was exciting to be part of a movie that kind of talks about the blended families that a lot of people deal with," said the actress, who sparkled in a Nina Ricci bustier dress and Neil Lane jewelry. "[The holidays are] an important time to give back and remember what's important—being with your family."