Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Jimmy Fallon, trousers, Will Ferrell, Tensions are high when Will Ferrell and Jimmy quarrel over whose pants are tighter. #FallonFlashback

Tensions are high when Will Ferrell and Jimmy quarrel over whose pants are tighter. #FallonFlashback

Tight Pants with Will Ferrell, Jennifer Lopez and Christina Aguilera, One town isn't big enough for Jimmy, Will Ferrell, Jennifer Lopez and Christina Aguilera to wear their tight pants. #FallonFlashback

Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Jimmy Fallon, trousers, Will Ferrell, Tensions are high when Will Ferrell and Jimmy quarrel over whose pants are tighter. #FallonFlashback

Tight Pants w/ #WillFerrell 😬 #FallonFlashback Original Air Date: 05, tightest pants song jennifer lopez

Tight Pants w/ Will Ferrell 😬, Will Ferrell, trousers, Tight Pants w/ Will Ferrell 😬 #FallonFlashback Original Air Date: 05/10/2012 (Late Night with Jimmy Fallon)

Watch Will Ferrell And Jimmy Fallon Sing About Their 'Tight Pants

Christina Aguilera, Will Ferrell, and Jimmy Fallon sing about 'Tight Pants' on The Tonight Show

Tight Pants w/ Will Ferrell 😬, Will Ferrell, trousers, Tight Pants w/ Will Ferrell 😬 #FallonFlashback Original Air Date: 05/10/2012 (Late Night with Jimmy Fallon)

Tight Pants w/ Will Ferrell 😬, Will Ferrell, trousers, Tight Pants w/ Will Ferrell 😬 #FallonFlashback Original Air Date: 05/10/2012 (Late Night with Jimmy Fallon)

Tight Pants with Will Ferrell, Jennifer Lopez and Christina Aguilera, One town isn't big enough for Jimmy, Will Ferrell, Jennifer Lopez and Christina Aguilera to wear their tight pants. #FallonFlashback

Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Tension is high when two seemingly friendly men have a quarrel over whose pants are tighter.

Will Ferrell and Jimmy Fallon Fight Over Tight Pants (Late Night with Jimmy Fallon)

Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Tension is high when two seemingly friendly men have a quarrel over whose pants are tighter.

Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Tension is high when two seemingly friendly men have a quarrel over whose pants are tighter.

Tight Pants w/ #WillFerrell 😬 #FallonTonight

Will Ferrell and Jimmy Fallon Fight Over Tight Pants, Tension is high when two seemingly friendly men have a quarrel over whose pants are tighter.