One Direction floor interview on The Tonight Show (VIDEO)

One Direction visited The Tonight Show starring Jimmy Fallon on Tuesday, December 23, 2014. They were interviewed on the floor!

Earlier, NBC aired the one hour One Direction TV Special featuring the boy band in concert all around the world.

1D was also on The Tonight Show on Monday singing "Santa Claus is Coming To Town."

"Sweet Potato and Marshmallows?" asked Liam, regarding holiday food in the U.S.

Hahaha.

Go Niall! Go Zayn! Go Harry!

Watch the video here: