When Britney Spears sang the lyrics, "do you wanna piece of me?," she clearly wasn't kidding…

The 33-year-old went on a quick little rant at her Las Vegas show on Aug. 27, addressing both the males and females in the audience while dressed in a provocative leather costume.

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In the clip below, the mother-of-two can be heard saying, "Look how beautiful the girls are, oh my God! Men, frankly, can suck my f–kin' toe!" Ouch.

Hmm… so some would definitely accuse Brit of being bitter, but why? Well for starters, she just broke up with her most recent beau of eight months, Charlie Ebersol, 32, in June, even though reports claimed that the duo were talking marriage.

But this isn't the first time Brit's had boy troubles! Scroll through the gallery above to see why her former relationships went kaput!