EXCLUSIVE: Watch Britney Spears and Justin Timberlake's Alleged Post-Breakup Dance-Off in Lifetime's Biopic

It's the gossip story that will never die.

In 2002, Britney Spears and Justin Timberlake reportedly had a confrontation at a Los Angeles club a few months after their split, which allegedly escalated into a full-on dance-off. According to the memorable Us Weekly report, Spears confronted Timberlake after she spotted him dancing with his then-girlfriend, Jenna Dewan, and the two hashed it out on the dance floor for 90 minutes.

And now, Lifetime's upcoming biopic on Spears, Britney Ever After, is taking on the alleged incident in pop culture history. In this exclusive clip, actor Nathan Keyes -- who plays Timberlake -- tells Natasha Bassett (Spears) to "get over it," before she takes their argument to the next level.

WATCH: Britney Spears TV Movie Will Feature Justin Timberlake Romance

"Let's dance," Bassett as Spears says, taking off her fur coat to reveal a sparkly bustier and skintight shiny pants.

Watch Natasha Bassett Transform Into Britney Spears in Her 'Britney Ever After' Audition Tape

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... The rest of the dance battle in all its glory above, just has to be seen to be believed.

Although much has been written about the alleged Spears-Timberlake dance-off -- including a hilarious Saturday Night Live skit recreating it, with Matt Damon as Timberlake and Amy Poehler as Spears -- ET recently sat down with Timberlake's former *NSYNC bandmate Lance Bass, who told us the incident never happened.

"It just didn't happen," Bass said. "It's fun to think they happened, just like the Justin-Britney dance-off -- [but] it didn't happen, guys."

WATCH: EXCLUSIVE -- Lance Bass Reacts to *NSYNC's Casting in Britney Spears Biopic -- 'They Look Like the Backstreet Boys'

Lifetime's biopic will premiere on Feb. 18, and spans Spears' early days in Kentwood, Louisiana, her high-profile romance with Timberlake, her struggles following her parents' divorce, as well as her short-lived marriages to Jason Alexander and Kevin Federline. ET was on the set in August, when Bassett told us why she hopes Spears will watch the unauthorized biopic, though the project didn't get Spears' blessing.

"I really hope she watches the movie, because I think she'd really enjoy it," Bassett said. "It's really a love letter to her and to her story, so I really hope she watches it and I just wish her all the happiness in the world."

Watch below:

EXCLUSIVE: Meet the Actress Who Will Play Britney Spears in Lifetime's Upcoming Biopic

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