'Shark Tank's Mark Cuban and Daymond John Hilariously Troll Lori Greiner

Mark Cuban and Daymond John are putting on their best Lori Greiner impersonations.

In a behind-the-scenes video shared to the Queen of QVC's Instagram, Cuban, 64, and John, 54, teased Greiner, 53, as they showed off their best impressions of their Shark Tank co-host.

The video showcased the three hosts huddled around each other as crew workers set up the stage behind them for an upcoming episode of Shark Tank. Cuban donned a light pink button-up with blue dress pants while John wore a black suit, and Greiner opted for a bright pink dress.

The clip started with Cuban as he approached the camera stating, "I'm gonna do my Lori imitation."

He proceeded to fold his hands together in his lap, putting on a smile that looked just like his co-hosts while he impersonated her talking to Shark Tank contestants. "So tell me about you," he quipped.

Greiner cracked up laughing with her hands folded in a similar way as what Cuban imitated, and then, suddenly, John jumped in on the fun, stating, "I really love it, but here's my only thing with your packaging." The two fellas continued to mock her as she cracked up laughing at their spot-on impressions.

She captioned the video with multiple hashtags including, "Shark Tank," "Behind the scenes," "Mark Cuban," "Daymond John," "Family," and "lol."

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Many fans took to the comments, as they couldn't contain their laughter, with one fan writing, "LOL 💀 you guys kill me with BTS shenanigans 😂"

"This is to [sic] funny 😂😂can’t tell which is the real lori 😉😂," another fan quipped.

"😂 you boys be nice!!!!" another fan wrote as she stuck up for Greiner.

"Lori is absolutely ahhhmazzinggg ✨💕. And this is hilarious 😂," a fourth fan added.

"Hilarious! And so endearing ♥️♥️♥️," another fan shared.

We're loving this backstage banter and hope to see more behind-the-scenes moments from these three!