One direction got famous by going to the show X-Factor. They all were doing separate auditions and all of them weren’t going to make through the house auditions. Nicole (the judge) decided for the boys to be a group. They did better together they place 3rd in the show. Later on they made there own songs and they got very popular and that’s how they got famous
One Direction, often shortened to 1D, are an English-Irish pop boy band formed in London, England in 2010. ... The group signed with Simon Cowell's record label Syco Records after forming and finishing third in the seventh series of the British televised singing competition The X Factor in 2010.