Britney Spears celebrated Christmas at home in California with her son Jayden James while his big brother, Sean Preston, spent the holiday with the pop star's family in Louisiana. "She had an amazing time with Jayden on Christmas," a source exclusively tells Us Weekly. "They laughed a lot and bonded more than they have in a while." The insider shares that Spears, 44, and Jayden, 19, enjoyed a "really delicious glazed ham that a close family friend made" and also "watched movies, played and listened to music.