If anyone knows how to throw a birthday party, it's Jessica Alba [1]. On Saturday, the Honest Company [2] founder helped her husband, Cash Warren, ring in his 38th birthday with the ultimate pajama party in Beverly Hills. Guests included Shay Mitchell, Kourtney Kardashian, Joel Madden [3], Nicole Richie [4], and couple John Legend [5] and Chrissy Teigen, who stole the show in matching KFC onesies [6]. The bash also included a series of fun games, like beer pong and cornhole. While there were a couple of other stars who celebrated birthdays this weekend (Liam Hemsworth [7] and Orlando Bloom [8]), Cash's pajama bash definitely takes the cake.
