The Grammys and the BAFTAs were just the beginning of the busy week, which included big premieres and, of course, Valentine's Day! Angelina Jolie and Brad Pitt spent the holiday with their twins, Vivienne and Knox, in LA. Beyoncé Knowles, meanwhile, had the support of Jay-Z at the NYC premiere of her HBO documentary, Life Is But a Dream. Justin Timberlake cozied up to wife Jessica Biel at the Grammys, and Jennifer Aniston got back to work on set after celebrating her 44th birthday.
That's not all the fun that went down with the stars — click through the rest of the week's best snaps!