E! Online — Celebrities are lining up to get a piece of Britney Spears. Sources tell me celebs will be flocking to the opening of the pop star's new Las Vegas show, Britney Spears: Piece of Me,... more info

People.com — After unveiling the music video Tuesday morning, the couple provided an encore that night with the song's first live performance more info

E! Online — John Mayer and Katy Perry are really going for this whole cutest couple thing. On Tuesday, Dec. 17, Katy made a surprise appearance at John's concert at the Barclays Center in... more info

L.A. Times - Pop & Hiss — Slow motion, couples caressing, wind-swept close-ups, sun-burnt-shaded images of wide-open vistas -- consider John Mayer's video for his duet with girlfriend Katy Perry, "Who You Love," an unintended lovey-dovey response to Kanye West's "Bound 2," wi... more info

Kings of A&R — Ashley Allen who we listed as a top 8 emerging artist just released her new EP 'Body Say No, Heart Say Yes'. The EP, was co-written and co- produced by Cash Cash (All Time Low, Cobra Starship). She's garnered favorable comparisons to Katy Perry, Kell... more info

Big Apple Music Scene — John Mayer just went on Good Morning America to premiere the video for 'Who You Love', a song he wrote with current girlfriend and worshipper-of-his-brain Katy Perry, and I can't decide if it's the best thing I've ever seen or the worst. Certainly ... more info

People.com — The couple debut the music video for their new single, a duet they cowrote for Mayer's Paradise Valley more info

USA Today Music — The sweethearts hop on a mechanical bull and shoot confetti canons in the new clip. more info

Chorus.fm — *John Mayer (http://www.absolutepunk.net/johnmayer)* and *Katy Perry (http://www.absolutepunk.net/tags/katy perry/)* will be appearing (http://jhnmyr.tumblr.com/post/70171786667/behind-the-scenes-pic-from-the-whoyoulove-video) on ABC's Good Morning A... more info

People.com — "Don't talk to me today unless it's about @Beyonce," Perry writes on Twitter more info