The Up All Night Tour was the first headlining concert tour by English-Irish boy band One Direction, in support of their debut studio album, Up All Night (2011). It began in December 2011 and was One Direction's first solo tour after being formed in the seventh series of The X Factor and being signed to Syco Records. The concert tour was announced in September 2011, with the initial dates for UK and Ireland being revealed. The tour eventually expanded to Oceania and North America, with the band playing 54 shows in total.

"What Makes You Beautiful" (WMYB) is the debut single by English-Irish boy band One Direction. It served as their debut single and lead single from their debut studio album, Up All Night (2011). Written by Savan Kotecha and producer Rami Yacoub, the song was released by Syco Records on 11 September 2011. The uptempo power pop track features a prominent guitar-based chorus and riff. The middle eight consists of a "na na na" hook.