Katy Perry’s over John Mayer and onto which actor Thu-30-Aug-12 16:43 Share this By MeganKaty Perry and Rob Pattinson seem to be getting very cosy, and the rumours are they’re casually dating. A source close to the situation tells UsWeekly: "She is the opposite of Kristen. [During their Soho dinner,] she was jokey with him and a little touchy-feely. They were flirting." You May Also Like Very delicious lyric video for Katy Perry's song 'Birthday' Katy Perry has dyed her hair 'slime green' Was John Mayer cheating on Katy Perry? Become a fan of The Edge on Facebook and on Twitter .