Along with celebrity guests, Alan runs riot around Channel 4 HQ, bringing in the new year with unpredictable madness and party games. Guests appear in various guises throughout the evening - including VT sketches, entertaining games and top musical performances - and the raucous studio audience also participates in the festivities. Guests include Jonathan Ross, Gok Wan, Alesha Dixon, Mark Wright, James Corden, Caroline Flack and Seann Walsh. Live music comes from Tulisa and Professor Green.