Britney Spears holds a LIGHTER under her tongue in bizarre footage taken during dance session

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Britney Spears added some shock value to her latest Instagram dance video by holding a lighter just inches from her tongue.The singer, 41, shared the bizarre footage Wednesday and set it to the tune of Jennifer Lopez's song Booty featuring rapper Iggy Azalea, who has previously collaborated with Britney.Despite using a JLo track, the Toxic hitmaker revealed that she 'meditated' to Shakira's 2005 hit Hips Don't Lie by dancing non-stop for three hours.

It's lit! Britney Spears added some shock value to her latest Instagram dance video by holding a lighter just inches from her tongue Dance it out: The singer, 41, shared the bizarre footage Wednesday and set it to the tune of Jennifer Lopez's song Booty featuring rapper Iggy Azalea, who has previously collaborated with BritneyThe clip shows Britney twirling around in a pair of low-rise gray mini shorts and a cropped tee with 'LOVE' scrawled across it in bold neon pink lettering.She whipped her blonde hair around furiously and sported her now signature grungy black eyeliner.

Britney performed her high-energy dance routine in blue color-blocked sneakers and accessorized with red fingerless gloves. 'Found my hands with some red gloves !!!' she began in her caption before discussing her Shakira-inspired meditation.

Despite using a JLo track, the Toxic hitmaker revealed that she 'meditated' to Shakira's 2005 hit Hips Don't Lie by dancing non-stop for three hours Sporty: The clip shows Britney twirling around in a pair of low-rise gray mini shorts and a cropped tee with 'LOVE' scrawled across it in bold neon pink lettering Signature: She whipped her blonde hair around furiously and sported her now signature grungy black eyeliner.