We really don't get it, seeing as how he says stuff like this and this, and just seems like a jerk in general, but the ladies keep flocking to John Mayer. The rumored latest: Katy Perry. Whispers of Perry dating Mayer first cropped up way back in 2009, the Daily Mail notes; last month they were spotted together a few times looking affectionate. But last night they were actually snapped together, leaving the Chateau Marmont after a "date night" in LA. Click to see the picture.