If this doesn't get you in the holiday spirit, nothing will!
Jimmy Fallon enlisted One Direction and The Roots for a festive sing-a-long on "The Tonight Show" on Monday night.
Decked out in their ugliest Christmas sweaters, the boybanders performed an impressive rendition of "Santa Claus is Coming to Town," with each of the guys taking a different classroom instrument for their musical mash-up.
Harry Styles and Niall Horan sat front and center with the late night host, as the 1D boys took turns singing parts of the classic song (Zayn Malik on the triangle, Liam Payne playing the coconuts and Louis Tomlinson on a pink tambourine).
The best part? Fallon busted out a 12-year-old Michael Jackson impression during the back half of the tune.