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Jennifer Lopez has "Tight Pants" turf war with Jimmy Fallon on "Tonight Show"

Jimmy Fallon thought he had the tightest pants in town - but he thought wrong.

During Jennifer Lopez's appearance on Thursday's "The Tonight Show," the two got into a little turf war over whose tight-pants territory this was.

Jennifer Lopez holds free concert in the Bronx

Fallon got out on stage first, wearing a moptop wig and singing about the aforementioned pants. Lopez soon followed, wearing a matching ensemble and singing her own tune.

The two exchanged some playful banter over whose pants were tightest, but then Lopez cut to the chase. "You better hide your wife, you better hide your kids, because I will cut you!" she growled. "I will cut your father, I will cut your mother. I will scratch you. Don't make me take off my heels!"

"What I'm trying to say is get lost, applesauce," she told him. "I'm the only one who can wear tight pants in this town. You feel me?"

Fallon knew better than to mess with the Bronx native, and resigned himself to go find a new town to claim as his tight-pants territory. Or maybe he should just pull on some sweatpants and accept defeat.

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