1: Zayn Malik is leaving One Direction . 2: Malik , 22 , has been part of the very popular British boy band since it was formed ( at the urging of Simon Cowell , according to some stories ) in 2010 after members auditioned separately for the UK version of  The X Factor .  3: One Direction is one of the most popular bands in the world .
1: One Direction 2: the very popular British boy band 3: One Direction