Katy Perry is single again Katy Perry Fri-24-Aug-12 15:56 Share this By Megan Slovak The relationship between Katy Perry and John Mayer is all over after only a few months. A source has confirmed is saying: "She's [Katy’s] really upset about it.” Another insider added: "She is making it seem like it wasn't serious with John, but she is hurt." Going out with a known womaniser as a rebound and expecting that to be the real deal is very silly Katy. You can do better! You May Also Like See John Mayer and Katy Perry’s First Portraits Together - Photos Katy Perry 'Unconditionally' - the video Katy Perry's dramatic 'Unconditionally' video - the teaser Become a fan of The Edge on Facebook and on Twitter .