One Direction Celebrates 1D Day with Global Fan Event Broadcast from YouTube Space LA

PLAYA VISTA, CA - NOVEMBER 23: (L-R) Louis Tomlinson, Niall Horan, Liam Payne, Simon Cowell, Harry Styles, and Zayn Malik on set during One Direction celebrates 1D Day at YouTube Space LA, a 7-hour livestream event broadcast exclusively on YouTube and Google+. Featuring behind the scenes footage, Guinness world record attempts, and amazing special guests, the global event also marked the premiere of tracks from their new album 'Midnight Memories', set for release November 25th, in Playa Vista, California on November 23, 2013 (Photo by Jeff Kravitz/FilmMagic)