Cosmopolitan New Years Eve

A star studded crowd rang in the New Year together last night during the opening of Las Vegas Cosmopolitan Hotel.

Melanie Brown smooched her hubby while others including Kirsten Dunst, Kellan Lutz, Mark Wahlberg and young couple in love Channing Tatum and Jenna Dewan arrived for the festivities that saw Coldplay, Jay-Z and John Mayer hit the stage.