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

The Tonight Show Starring Jimmy Fallon - Just another day.

The Tonight Show - The Tonight Show Starring Jimmy Fallon

Tight Pants with Will Ferrell, Jennifer Lopez and Christina

Jimmy Fallon, Will Ferrell and XTina are bringing back tight pants

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

The Tonight Show - The Tonight Show Starring Jimmy Fallon

Tight Pants with Will Ferrell, Jennifer Lopez and Christina

Tight Pants with Will Ferrell, Jennifer Lopez and Christina

The Tonight Show Starring Jimmy Fallon

Tight Pants w/ #WillFerrell 😬 #FallonTonight

The Tonight Show Starring Jimmy Fallon