One Direction

Formed in 2010 after individually appearing on the UK's "The X Factor," One Direction features Niall Horan, Zayn Malik, Liam Payne, Harry Styles, and Louis Tomlinson. The group finished third on the show and were subsequently signed to Simon Cowell's Syco record label. The group released their first single, "What Makes You Beautiful," in 2011. Released in 2012, their first album, Up All Night, debuted atop the Billboard 200, making One Direction the first British band to have a debut album enter the chart at No. 1.