One Direction
The announcement came on Tuesday ahead of the band's concert at Camden's Roundhouse Theatre in London, where they were performing as part of the Apple Music Festival.
Dozens of excited fans lined up outside the venue hours before the show started to see band members Harry Styles, Niall Horan, Liam Payne and Louis Tomlinson in person.
"We're
"Knowing Harry Styles will be there makes me want to get up every day," another said.
The intimate gig may be one of the band's last for a while since they said that they would be taking a break in March 2016.
The foursome were a five piece until Zayn Malik quit in March earlier this year.