Perez Hilton — John Mayer and Katy Perry sparked relationship rumors over the weekend when they were spotted together at Allison Williams' wedding! It wouldn't be the first time they got back together, that's for sure! So, are these two on for good? Or could they j... more info

Perez Hilton — There's nothing like a wedding to bring former flames together! Or, at least that's the case for exes John Mayer and Katy Perry. On Saturday, the musical duo were seen packing on the PDA at Allison Williams' Wyoming wedding to cofounder of CollegeHum... more info

Perez Hilton — Talk about awkward! On Wednesday, John Mayer was spotted getting cozy with a mystery blonde at E.P. & L.P. in West Hollywood, CA. What fun! Although, sources report that while John was on his date, a fellow diner in the restaurant was wearing a Katy ... more info

Music News Net — MUSIC NEWS- Dead & Company, the band that combines three of the surviving “core four” members of the Grateful Dead along with guitarist John Mayer, have added another series of concert dates to their upcoming tour itinerary. Dead band members... ... more info

Mercury News, California — Dead and Company, featuring Bob Weir, Mickey Hart, Bill Kreutzmann and John Mayer, performs at Bill Graham Civic. more info

Brooklyn Vegan — photo: GD50 in Chicago (more by Jay Blakesberg) Grateful Dead members Bob Weir, Mickey Hart & Bill Kreutzmann recently announced two MSG shows as Dead & Company (with John Mayer and more). Those shows both sold out, and now the... more info

Stereogum — As previously reported, Mickey Hart, Bill Kreutzmann, and Bob Weir of the Grateful Dead — in other words, the “core four” minus Phil Lesh — are going on tour with John Mayer. Oteil Burbridge and Dead associate Jeff Chimenti are also coming al... more info

Mercury News, California — Dead and Company's Bob Weir, Mickey Hart and Bill Kreutzmann add Nov. 1 date at Madison Square Garden more info

Mercury News, California — Bob Weir, Mickey Hart, Bill Kreutzmann join John Mayer in Dead and Company. Phil Lesh sitting this one out. more info

MTV.co.uk News — These two are worse than Ross and Rachel! more info