Sony Pictures' "Once Upon A Time...In Hollywood" Los Angeles Premiere - Arrivals

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By holding a lighter inches from her tongue, Britney Spears added some shocking value to her most recent Instagram dancing video.

Spears shared a video of her dancing to JLo’s “Booty” song which ended with a lighter just inches from her tongue.

She captioned the video, “I meditated to “Hips Don’t Lie” by Shakira. I just said “keeping shaking your ass” and I did it for 3 hours!”

Britney has recently turned the comments off on her Instagram. But it’s certain fans had a lot to say about Britney’s latest dance session.

What song could you dance to for hours?