Mariah Carey's emotions got the better of her while she performed at the Beacon Theatre show in New York. The pop diva has certainly had an emotional year after splitting from her husband Nick Cannon. Christmas is a time when many of us reflect, which is what the Elusive Chanteuse singer was obviously doing as she was visibly crying. Like a true diva though she pulled herself together to get on with the show. Belting out her greatest hits including the Christmas favourite All I Want For Christmas Is You.