One Direction star Louis Tomlinson has joked that he worries he won't get married because he doesn't always change his underwear.

Speaking in the group's new concert film Where We Are, the singer said that he is sometimes too lazy to change his underpants.

He then joked that he thinks his girlfriend Eleanor Calder will be put off marriage by this admission.

Tomlinson said: "I'll wear them today and then tomorrow if I have to...I'll probably never get married now after that."

Where We Are meanwhile will hit UK cinemas this weekend before being released on DVD in December.

The flick pivots around a gig the group player earlier this year in Milan, with interview footage included.

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Watch a preview of the Where We Are film below: