The pair parade around in some costumes acting sexual, there's the pirate one, the giant peas, the cow and the vampire looks, plus more. It's deffo a TREAT.
Watch the video above, plus watch their 'Spill Your Guts Fill Your Guts' segment that aired this week. Where Niall admits he'd spend his last night on earth with Ellie Goulding not Selena Gomez...
Photo Credit: The Late Late Show With James Corden
Video Credit: The Late Late Show With James Corden
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