Following the success of last year's New Year Specstacular, Alan Carr is back running riot around Channel 4 HQ welcoming in 2013 with unpredictable madness, party games and special guests including Jonathan Ross, Jack Whitehall, Jimmy Carr, Gok Wan, Melanie Sykes, Christine Bleakley and Rylan Clark. Bruno Mars performs live and Alan appears in some hilarious sketches.