Edwards' all-girl band Little Mix have been announced as One Direction's support act at the boys' headlining show on 22 September (15) - one of four shows at The Roundhouse as part of the festival .

The gig will mark the first time the two pop groups have appeared together since Malik quit the band and then called off his engagement to Edwards.

This year’s Apple Music festival will also feature shows by Florence + the MAChine, Pharrell Williams and Disclosure.