Ouch! After Katy Perry went on an Aussie TV show to say that she pulled away from Miley Cyrus when the singer tried to slip her the tongue in their kiss-seen-round-the-world because "God knows where that tongue has been," Miley has retaliated, rather meanly, on Twitter.
We all knew Katy Perry and John Mayer were getting serious -- but who knew they were getting serious so fast? Sources say that John Mayer have already popped the question to Perry ... and he didn't get the response he'd hoped for.