The 1D love affair app is for all those hard core - One Direction fans that need a constant fix of updates on the boy band sensation. From concert news, to videos, to tickets for sale, the app has it all! The 1D phenom all started back in in 2010, consisting of members Niall Horan, Zayn Malik, Liam Payne, Harry Styles and Louis Tomlinson. The Release of One Direction's debut album "Up All Night" in 2011 established their international success. In addition, the album marked the first time a debut album by a British pop group had bowed at number one on the US Billboard 200!
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