Katy Perry has recently refused to talk about her former fiance John Mayer, as it always "comes to bite her in the a**".
During the interview for her new Rolling Stone cover, the 29-year-old singer revealed that she doesn't want to be rude to the 'Your Body is a Wonderland' singer anymore, ABC News reported.
The 'Roar' singer broke up with the 36-year-old musician recently after dating since last summer.
