One Direction has been super busy doing promo here in the States ever since dropping its fifth studio album, Made In The A.M.

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Just last week, Harry Styles, Niall Horan, Liam Payne and Louis Tomlinson shut down Hollywood Boulevard while appearing on Jimmy Kimmel Live! Thursday night for a performance and, of course, a brief chat with host Jimmy Kimmel.

The band performed some of their hits, including their latest single, "Perfect," which can be watched below.

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As seen in the main image above, the British-Irish boy band posed for a photo with Kimmel and their newest band member, the potato Kimmel is holding.

It looks like a totally innocent picture, right? Well, that is the case unless you happen to peep a glance at their backsides. One Direction's youngest member, 21-year-old Styles, got a wee bit cheeky and grabbed Kimmel's butt.

TMZ reported an exclusive image a fan in the crowd snapped of their backsides while standing behind the band and Kimmel.

This little act is nothing new since the lads are known for their cheekiness on stage, and even with each other while touring. They have actually done far worse to each other than a butt grab. Crotch grabs, tossing water and other beverages on each other, amongst other shenanigans, have occurred often on their various tours. Plus, this butt grab does not even look that serious - Kimmel's facial expression appears to be at peace.