One Direction announced a hiatus in 2015, five months after Zayn Malik left the band. But why did the remaining four break up? And when did they officially split?
Simon Cowell confesses he doesn't know if One Direction have split up for good - Mirror Online
Everything One Direction Has Said About Each Other Since Breaking up
Is the band One Direction breaking up? - Quora
Louis Tomlinson Recalls Feeling 'Mortified' When One Direction Split & Sheds Light - Capital
Everything One Direction Alums Have Said About Leaving the Band
The ups and downs of the One Direction boys, eight years after the departure of Zayn Malik, Culture
Zayn Malik on life after One Direction: 'I'm free at last' – New York Daily News
One Direction's Last Concert and the Boy Band Expiration Date - Racked
Why And When Did One Direction Break-Up? Their Hiatus Explained - Capital
When did One Direction break up? - One Direction's Journey: From X Factor, Their - Capital
Are One Direction Still Friends? Inside Harry, Niall, Louis, Liam & Zayn's - Capital
The ups and downs of the One Direction boys, eight years after the departure of Zayn Malik, Culture
Everything One Direction Has Said About Each Other Since Breaking up