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 Jay-Jay, Mike & Dom's Rude Awakening - Zara gets woken up by the Auckland Brass Band playing Katy Perry! Video: Lorde, Ellie Goulding and Katy Perry DJing at the Brit Awards After Party Katy Perry without makeup Become a fan of The Edge on Facebook and on Twitter .