Out promoting her new album "A.K.A.," Jennifer Lopez stopped by "The Tonight Show" and got into a heated sing-off with Jimmy Fallon. The issue? Some very tight white pants.
Fallon prances onstage singing, "No one else around is wearing tight pants," though it soon becomes clear he's not the only one. J-Lo shows up onstage singing a similar tune. After exchanging namedrops like Mayor Barleycorn and Governor Grimble about their rights to wear tight pants, Lopez finally bursts, "Listen up, you little bitch. You better hide your wife, you better hide your kids, because I will cut you! I will cut your father, I will cut your mother, I will scratch you!"