Jennifer Lopez, Jimmy Fallon, The Tonight Show

NBC

Meet the latest and greatest TikTok sensations: Jennifer Lopez and Jimmy Fallon

In an exclusive sneak peek from tonight's The Tonight Show Starring Jimmy Fallon, the duo go head-to-head on their virtual dance floors. Calling it the "Watch-it-Once TikTok Challenge," Jimmy says, "Jennifer and I are going to watch a TikTok challenge that neither one of us have ever seen before. We're going to try to recreate it, and whoever gets closest to it wins that round."

"I'm gonna go down in flames in front of my kids. It's fine," J.Lo teases. "They're like, 'Mom, don't embarrass us!'"

Jimmy, however, is much more confident in his skills, saying, "I'm kind of known for my dancing so it's gonna be easy for me I think."

Watching TikTok stars like Charli D'Amelio and Addison Rae bust a move before having to recreate it on their own proves difficult—even for a pro as seasoned as Jennifer! 

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The triple threat then challenges Jimmy to a try dance she choreographed in honor of World of Dance's fourth season.  

"That wasn't bad! It's hard to do these in one thing," Jennifer assures her dance off partner. "These kids take hours to do their TikToks and get them right."

See who won the battle in the video above! 

The Tonight Show Starring Jimmy Fallon airs weeknights at 11:35 p.m. ET/PT only on NBC.

(E! and NBC are part of the NBCUniversal family.)

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