Chris Brown and Frank Ocean — Huge Fight at Recording Studio  —  CHRIS BROWN & FRANK OCEAN  —  HUGE FIGHT AT RECORDING STUDIO  —  EXCLUSIVE  —  UPDATE: 5:20 AM PT: After the incident, Ocean tweeted “got jumped by chris and a couple guys. lol. i only wish everest [his dog] …

Justin Bieber Exclusive Song Premiere and Billboard Cover Story  —  Hear the exclusive online premiere of “Nothing Like Us,” Justin's new song about his breakup with Selena Gomez, plus read a revealing interview about how he turned his sadness into music on “Believe Acoustic”

Rick Ross — Crashes Rolls-Royce While Escaping Gunfire  —  Crashes Rolls-Royce  —  While Escaping Gunfire  —  BREAKING NEWS  —  8:45 AM PT — Cops have now confirmed Ross was driving the Rolls-Royce at the time of the crash.  —  The passenger was Shateria L. Moragne-el — who is reportedly dating the rapper.

NEWS/Jennifer Lawrence's Dress Rips at the SAG Awards?  Nope—Here's What Really Happened  —  Don't lie!  Wardrobe malfunctions at awards shows are exciting, and viewers might have thought there was a major slip on stage when Jennifer Lawrence accepted her award for Best Female Actor in a Film.

It's Official: Kris Jenner Talk Show From Twentieth TV To Get Summer Run On Fox Stations  —  Kardashian matriarch Kris Jenner is officially adding a daytime talk show host to her resume.  After lengthy negotiations, Fox Television Stations and Twentieth Television announced today that Kris …

Cry-Lo  —  Lohan's a screaming baby, and our sex scene freaked her out — says porn actor co-star  —  ‘Fragile’ ... Lindsay Lohan and co-star James Deen leave a bar in LA  —  From GRAEME CULLIFORD and GEORGINA DICKINSON  —  in Las Vegas  —  WAYWARD Lindsay Lohan has been slated …

Taye Diggs Thwarts Home Invasion ... BY HIMSELF  —  Thwarts Home Invasion  —  BY HIMSELF  —  EXCLUSIVE  —  Some actors play super heroes on the screen, but Taye Diggs really is one ... single-handedly apprehending a guy who tried to break into his home last night ... TMZ has learned.

Sam Edelman's New Muse: Kate Upton  —  Kate Upton in Sam Edelman's new advertising campaign.  —  Photo By Courtesy Photo Photo By Courtesy Photo  —  Sam Edelman is marching into 2013 with Kate Upton by its side.  —  The New York-based footwear brand has tapped the model for its new digital …

Kris Humphries — Here's PROOF I Don't Have Herpes  —  Here's PROOF  —  I DON'T HAVE HERPES  —  EXCLUSIVE  —  Kris Humphries says he's 100% HERPES FREE ... and claims he's got the test results to prove it ... TMZ has learned.  —  Humphries just filed a response to a lawsuit filed by Kayla Goldberg …

Paul Giamatti in Talks to Play The Rhino in ‘Spider-Man 2’ (Exclusive)  —  Felicity Jones is also in negotiations to join the Sony sequel.  —  Paul Giamatti is in talks to join The Amazing Spider-Man 2 to play the villain known as The Rhino while Felicity Jones also is negotiating for an unspecified role.

Bradley Cooper Slams Lance Armstrong Movie Rumors: ‘So Nuts!’  —  LOS ANGELES, CALIF. — Despite reports that Bradley Cooper is in talks to play disgraced cyclist Lance Armstrong in an upcoming J.J. Abrams-directed biopic, the “Silver Linings Playbook” star tells Access Hollywood otherwise.

Jennifer Lawrence Feeling Better Thanks to a ‘Lot of Medication’  —  Jennifer Lawrence is on the mend.  —  The ailing Silver Linings Playbook starlet is finally feeling fine after a reported bout with pneumonia.  —  “I'm so much better,” Lawrence, 22, told reporters backstage …

Mary O'Connor, Hugh Hefner's Longtime Playboy Secretary, Dies  —  Hugh Hefner; Mary O'Connor (inset) Credit: Michael Buckner/Getty; E! (inset)  —  Heavy hearts are aplenty at the Playboy Mansion today.  Hugh Hefner's longtime secretary Mary O'Connor has died, the Playboy boss announced via Twitter on Sunday, Jan. 27.

20/20 Co-Anchor Chris Cuomo — I'm Moving to CNN!  —  I'm Moving to CNN!  —  EXCLUSIVE  —  Chris Cuomo is calling it quits at “20/20” — TMZ has learned ... he's moving to CNN very soon.  —  Sources connected with CNN tell us ... Cuomo will host a morning show.