On The Tonight Show with Jimmy Fallon last night, Will Ferrell and Christina Aguilera stopped by for a musical routine.  For this skit, it had to come from Ferrell’s comedic genius mind as it is just so bizarre it’s funny.  You’ll also see Fallon struggle to keep a straight face with Ferrell’s improvising, which he phenomenal at doing.

Check out this song from Will Ferrell, Christina Aguilera, and Jimmy Fallon and lets bring back those tight pants!