We’ve said it before, and we’ll say it again; One Direction are some funny blokes!
[ Video: One Direction & Jimmy Fallon Perform Santa Claus Is Coming To Town! ]
The boys of 1D stopped by studio 6B for an interview with Jimmy Fallon, and things got a little more casual than expected!
Ch-ch-check out the video (above) to see Jimmy join the boys on the floor — and possibly on the tour??