Katy Perry & Seven Other Women John Mayer Reportedly Seduced (PHOTOS)
According to E! Online, Katy and John briefly dated right before Katy met her future husband Russell Brand at the 2009 VMAs. While the two didn't last, John has never had a problem dating beautiful women, even if it is only for a few days.
Want to know who John has hooked up with? Check out Celebuzz's gallery of John's (rumored and confirmed) babes and share your thoughts in the comments.