(WATCH) J.Lo & Jimmy Fallon's TikTok Dance Challenge!

Anyone else obsessed with learning TikTok dances?!

You have to see Jimmy Fallon and Jennifer Lopez complete the "Watch-It-Once TikTok challenge if you haven't already! Here's how it works, Jimmy Fallon said "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."

Check out their dance battle below!