Zayn Malik sang a One Direction song for the first time in a decade on the anniversary of his exit from the band, which also featured members Louis Tomlinson, Liam Payne, Harry Styles and Niall Horan.

It’s been 10 years since Zayn Malik announced his One Direction exit, and he celebrated the anniversary in a heartfelt way. During his Stairway to the Sky tour concert in Mexico City on Tuesday ...