What Makes You Beautiful was released in 2011 as One Direction's debut single and the lead track from their first album, Up All Night. The British-Irish group had formed on The X Factor the previous year, and the song's catchy chorus quickly turned it into a worldwide pop hit and a signature track for the band. Over the following decade it became a staple of fan edits, throwback playlists and social video soundtracks, where its upbeat, affectionate hook still works as shorthand for early 2010s pop nostalgia and lighthearted romance.