The father-to-be tells British TV show X Factor's Xtra Preview he's planning to spend part of his boy band's 2016 hiatus working with Cowell on a new girl group.

"I've got a little label imprint so I'm trying to work with that at the moment," he says. "I'm lucky enough to be working with Simon. We've got a few different projects going on at the moment one of which is we're trying to put a girl band together.

"It's really exciting to be involved in the different side of it, the background."

Tomlinson found fame on The X Factor, after Cowell created One Direction during the seventh season of the singing competition. The boy band finished third and went on to become one of the biggest acts in the world.