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Katy Perry, John Mayer

Katy Perry recently had a "pregnancy scare," reveals Star, which adds that she was "spotted buying a pregnancy test" in L.A. because she thought John Mayer knocked her up." For how Mayer reacted to the news that she might be expecting, and why she's now devastated," see what a Perry pal leaks to Gossip Cop.

Celebrity Rumor Mill

Gossip Cop debunks the most ridiculous rumors of the week, from Jessica Simpson's weight loss problems to Robert Pattinson's out-of-control drinking.