MTV.com News — Groban's rep denies relationship rumors, calling the singers 'very close friends.'By Jocelyn Vena Katy Perry Photo: Mike Marsland/ WireImage Earlier this week, Perez Hilton reported that Katy Perry was dating Josh Groban. Well, apparently ... more info

Pop Crunch — Katy Perry and Josh Groban have dismissed reports that they are an item. “Josh and Katy are very close friends and hang out, but they are not a couple,” Luke Burland, a representative for the tenor, told PEOPLE on Tuesday In January, Katy split ... more info

Pop Crunch — Katy Perry is moving on from her split with Travis McCoy, but instead of kissing girls, the Grammy-nominated star has reportedly begun dating singer/songwriter Josh Groban. According to PerezHilton.com, Katy has found love with her fellow musician af... more info

Pasta Primavera — Today is fairly light on shows (perhaps that little event down south has something to do with it) but there are some highlights worth noting.  While I’m not the biggest fan, the First Mariner Arena here in Baltimore has Lil’ Wayne, T-Pain, and... more info

ContactMusic — GNARLS BARKLEY star CEE-LO GREEN, FALL OUT BOY's PATRICK STUMP and TRAVIS MCCOY from GYM CLASS HEROES have teamed up to record a new Coca-Cola anthem. Open Happiness ... more info

Rolling Stone — “Open Happiness,” a collaborative song featuring Gnarls Barkley’s Cee-Lo Green, Fall Out Boy’s Patrick Stump, Gym Class Heroes’ Travis McCoy, Panic at the Disco’s Brendon Urie and RS’ Hot Sci-Fi Beyoncé Janelle Monae, debuted on MySpac... more info

Kerrang! — Fall Out Boy's Patrick Stump and Panic At The Disco's Brendon Urie have teamed up with Travis McCoy from Gym Class Heroes to record a new track, Open Happiness, for an upcoming Coca-Cola commercial. "Our new campaign is all about inviting people to ... more info

MTV.com News — 'People aren't joyful all day,' Atlanta rapper says of the clip.By Shaheem Reid Gorilla Zoe Photo: MTV News In the clip for Gorilla Zoe's latest, "Lost," the Atlanta rapper battles his own demons, delusions and even confronts himself. "Th... more info

Brooklyn Vegan — Tickets are on Ticket Rush presale for the Hold Steady show at Irving Plaza (password = venue) (thx Bao). Tickets are still on sale for all three Pogues shows at Roseland Ballroom. Lil Wayne, T Pain, Gym Class Heroes,... more info

MTV.com News — Weezy's rock LP is now slated for May 19.By Shaheem Reid Lil Wayne Photo: John Shearer/ WireImage Lil Wayne has pushed back the release date of his rock-and-roll LP Rebirth from April 7 to May 19. The video for the album's first single, "... more info