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The 26-year-old pop star suffered a wardrobe malfunction onstage in Vancouver, Canada, when her tight latex ensemble split down the middle, revealing her bare butt to the audience.
But don't expect Kelly, 28, to crack too many jokes about Gaga's exposed derrière. Following a heated feud (so hot, even mama Sharon Osbourne got involved!), the two ladies appear to have put their issues behind them.