Big Apple Music Scene — • In typical fashion, Justin Bieber’s grandparents on his dad’s side are complaining that he doesn’t buy them enough things. It’s sort of sad to think about being put under that kind of pressure. (The Stir) • 15 dating sites that we …... more info

Big Apple Music Scene — The nice talk continued when Sara visited Chelsea Lately last night and explained that she and Katy have actually been friends for a while, and there isn't any bad blood between them. More »Sara Bareilles Continues Being Awesome, Says The Katy Perr... more info

People.com — They're not mad at each other, but sometimes there's not a whisper more info

L.A. Times - Pop & Hiss — In February, the Swedish duo Icona Pop is set to begin warming up arena audiences for both Miley Cyrus and Katy Perry, whose “Bangerz” and “Prism,” respectively, are among the year’s biggest pop albums. more info

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