Nicole Scherzinger, Simon Pegg, Nick Frost, Matt Cardle
Westlife, Dermot O'Leary, David Walliams, Mary J Blige, The Saturdays
Gary Barlow, Kelly Rowland, Louis Walsh, Tulisa Contostavlos, Tinie Tempah, Terry Wogan, Kasabian
Lady Gaga, Dannii Minogue, Peter Kay, Ed Sheeran
Lee Evans, One Direction
Alan is joined by the stars of Life's Too Short, Ricky Gervais and Warwick Davis, as well as DJ Vernon Kay
David Walliams, Ruth Jones, Jedward and Steps join Alan for a festive edition of Chatty Man.
Alan Carr has been left in charge of Channel 4 HQ and is set to throw a New Year's Eve party to remember.
He is joined by a host of special guests including Jonathan Ross, Micky Flanagan, Melanie Sykes, Gok Wan, Kirstie Allsopp, Alesha Dixon, Bruno Tonioli, Heston Blumenthal, Olly Murs, Paddy McGuinness, Rachel Riley and Shelley von Strunckel.
There are sketches and entertaining games along with raucous audience participation, and music from JLS and The Ting Tings.