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Liam, Niall, Zayn, Harry and Louis showed they like to take band bonding to a new level as they grabbed each other's bums during a photo shoot this week.
One Direction got up close and personal as they made a public appearance in London.
It's not the first time the former X Factor band have showed their cheeky side – Harry got his bum out to record their new album 'Up All Night'.
Meanwhile, One Direction have been speaking to Capital FM about their new single 'Gotta Be You'.
They said the track, which is due to be released on 13th November, will feature a "very different video" from their previous effort for single 'What Makes You Beautiful'.
One Direction release 'Up All Night' on 21st November.