R&B singer Kelis is not a fan of "California Gurls" hitmaker Katy Perry.
According to Britain's Daily Star newspaper she said, "
Katy Perry is crap. It's just poor pop. Her name might be on her stuff but that doesn't mean it's any good."
Maroon 5 and Christina Aguilera recently ended Perry's record-breaking run at the top of the U.S. pop chart.
Perry's "Last Friday Night (T.G.I.F.)," which became the fifth single from her "Teenage Dream" album to reach number one on the Hot 100, drops to five after spending two weeks on top.
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I think Kelis is just mad Katy didn't want her milkshake....