Fox's "The X Factor" Season Finale - Night 2(01 of11)
Open Image ModalLOS ANGELES, CA - DECEMBER 20: (L-R)Liam Payne, Niall Horan, Harry Styles and Louis Tomlinson of One Direction arrive at Fox's 'The X Factor' Season Finale - Night 2 at CBS Televison City on December 20, 2012 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images) (credit:Getty Images)
Z100's Jingle Ball 2012 Presented By Aeropostale - Show(02 of11)
Open Image ModalNEW YORK, NY - DECEMBER 07: Louis Tomlinson of One Direction performs onstage during Z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City. (Photo by Theo Wargo/Getty Images for Jingle Ball 2012) (credit:Getty Images)
Z100's Jingle Ball 2012 Presented By Aeropostale - Show(03 of11)
Open Image ModalNEW YORK, NY - DECEMBER 07: (L-R) Liam Payne, Zayn Malik, Harry Styles, Niall Horan and Louis Tomlinson of One Direction perform onstage during Z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City. (Photo by Jamie McCarthy/Getty Images for Jingle Ball 2012) (credit:Getty Images)
Z100's Jingle Ball 2012 Presented By Aeropostale - Show(04 of11)
Open Image ModalNEW YORK, NY - DECEMBER 07: Louis Tomlinson of One Direction performs onstage during Z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City. (Photo by Theo Wargo/Getty Images for Jingle Ball 2012) (credit:Getty Images)
'One Direction' Attend 'El Hormiguero' Tv Show(05 of11)
Open Image ModalMADRID, SPAIN - OCTOBER 31: (L-R)Louis Tomlinson and Zayn Malik of One Direction attend 'El Hormiguero' Tv show at Vertice Studio on October 31, 2012 in Madrid, Spain. (Photo by Juan Naharro Gimenez/Getty Images) (credit:Getty Images)
BBC Radio 1 Teen Awards - Arrivals(06 of11)
Open Image ModalLONDON, UNITED KINGDOM - OCTOBER 07: Liam Payne, Louis Tomlinson, Niall Horan, Zayn Malik and Harry Styles of 'One Direction' attend the BBC Radio 1 Teen Awards on October 7, 2012 in London, England. (Photo by Stuart Wilson/Getty Images) (credit:Getty Images)
2012 MTV Video Music Awards - Red Carpet(07 of11)
Open Image ModalLOS ANGELES, CA - SEPTEMBER 06: (L-R) Singers Harry Styles, Zayn Malik, Niall Horan, Liam Payne and Louis Tomlinson of One Direction arrive at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Christopher Polk/Getty Images) (credit:Getty Images)
2012 MTV Video Music Awards - Press Room(08 of11)
Open Image ModalLOS ANGELES, CA - SEPTEMBER 06: (L-R) Singers Louis Tomlinson, Liam Payne, Harry Styles, Zayn Malik, and Niall Horan of One Direction pose with their Best Pop Video and Best New Artist awards in the press room during the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images) (credit:Getty Images)
One Direction In Concert(09 of11)
Open Image ModalNEW YORK, NY - MAY 26: Louis Tomlinson of British boy band One Direction performs live on stage at the Beacon Theatre on May 26, 2012 in New York City. (Photo by Neilson Barnard/Getty Images) (credit:Getty Images)
One Direction In Concert(10 of11)
Open Image ModalNEW YORK, NY - MAY 26: Louis Tomlinson of British boy band One Direction performs live on stage at the Beacon Theatre on May 26, 2012 in New York City. (Photo by Neilson Barnard/Getty Images) (credit:Getty Images)
"Men In Black 3" New York Premiere - Inside Arrivals(11 of11)
Open Image ModalNEW YORK, NY - MAY 23: (L-R) Zayn Malik, Niall Horan, Harry Styles, Louis Tomlinson and Liam Payne of One Direction attend the 'Men In Black 3' New York Premiere at Ziegfeld Theatre on May 23, 2012 in New York City. (Photo by Stephen Lovekin/Getty Images) (credit:Getty Images)