Up All Night was One Direction’s debut album. Up All Night was an international success with the album topping charts in 16 countries. It became the the UK's fastest-selling debut album of 2011. In the US, Up All Night debuted at number one on the United States Billboard 200. Up All Night was the third global best-selling album of 2012 with sales of 4.5 million copies. The album has gone multi-platinum in many countries.
Four singles were released from the album: "What Makes You Beautiful", "Gotta Be You", "One Thing", and , "More than This". Louis wrote on Everything About You, Same Mistakes, and Taken.
One Direction's debut headline UK concert tour, the Up All Night Tour, was officially announced in September 2011. Shows in the UK and Ireland were so popular, they were said to sell out in seconds.
They continued to tour in Sydney, Brisbane, Melbourne, Auckland and Wellington and later announced an extended North American leg of the tour with 26 shows. A recording of their tour, entitled Up All Night: The Live Tour, was released in late May 2012.