Watch Britney Spears Call Out 'F***ing A**hole' Heckler

Denise Truscello/BSLV/Getty Images for Brandcasting, Inc
Britney Spears performs at her "Britney: Piece Of Me" show at Planet Hollywood Casino Resort on March 4, 2015 in Las Vegas, Nevada.  

Britney Spears can still turn toxic in the right circumstances. Take her show Wednesday at Las Vegas’ Planet Hollywood, where an unruly member of the audience blurted out something unsavory in a quiet moment. 

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The pop star responded with something short and not so sweet. With her back turned, Britney called the guy a “f***king asshole,” though she didn't figure her two-word jibe would be picked up by the mics and resonate throughout the room. Which is what happened.

According to TMZ, the ticketholder apparently called Britney a “fat bitch,” though the initial insult wasn’t picked up on the video which is doing the rounds and can be seen below.