April 16, 2015 02:50 PM

You want a piece of her?

During a performance in Las Vegas on Wednesday, Britney Spears blasted a heckler who reportedly called her a “fat bitch.”

In the video above, the “Work Bitch” singer can be heard saying “f–––––– a––––––,” seemingly in response to the audience member’s insult.

However, Spears, 33, looking confident in a curve-hugging black and gold bodysuit, didn’t let the moment slow her down, immediately launching into her 2011 hit “Till the World Ends.”

Spears recently returned to her Piece of Me residency at Las Vegas’s Planet Hollywood Resort and Casino after a brief hiatus, and she has shows booked through September.

We hope this isn’t our last taste of her Southern-bred sass!

After all, it’s Britney, bitch.

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