Justin Bieber — BOOED at Billboard Music Awards  —  BOOED  —  at Billboard Music Awards  —  Justin Bieber was straight up BOOED at the Billboard Music Awards last night .. and not like 1 or 2 people ... it was a straight up CHORUS of boos ... and it made Justin super uncomfortable.

Chad Johnson ARRESTED in Florida  —  ARRESTED  —  EXCLUSIVE  —  Chad Johnson was just arrested in Florida — after a Broward County judge determined the ex-NFL star violated his probation stemming from his 2012 domestic violence bust ... TMZ has learned.

Denise Richards on Caring for Charlie Sheen, Brooke Mueller's Kids: “I Want to Be There for Them”  —  Credit: Jeffrey Mayer/WireImage (left); Jon Kopaloff/FilmMagic  —  When the going gets tough, the tough get going — Denise Richards is proof of that.  Between filming the ABC Family series Twisted …

Justin Theroux Parties With Pals In NYC!  Did He Have His Bachelor Party?!  —  We guess Liam Hemsworth wasn't the only fiancee out pAArtying it up with his boys this weekend!  —  Only for Justin Theroux - whose wedding to Jennifer Aniston is rumored to be delayed because of either fertility treatments …

Katrina Bowden of 30 Rock Gets Married  —  Katrina Bowden, who made her name as a character of NBC's 30 Rock set in the heart of Manhattan, got married one borough away on a rainy Sunday at the Brooklyn Botanic Garden.  —  The actress tied the knot with musician Ben Jorgensen, her fiancé of a year and a half.

Kristen Stewart, Robert Pattinson Split For Now (REPORT)  —  Kristen Stewart and Robert Pattinson's three-plus-year relationship hit a rough patch last summer, after incriminating photos surfaced of Stewart with her married “Snow White and the Huntsman” director, Rupert Sanders.

Mary J. Blige — Money Problems Worsen ... $3.4 MILLION Tax Lien  —  MARY J. BLIGE  —  Money Problems Worsen  —  $3.4 MILLION TAX LIEN  —  EXCLUSIVE  —  Mary J. Blige's financial woes have QUADRUPLED — on top of the $900k she allegedly owes the Garden State, TMZ has learned MJB …

Kelly Rowland & Paulina Rubio Signing on for ‘The X Factor’  —  KELLY ROWLAND & PAULINA RUBIO  —  Signing on For  —  ‘THE X FACTOR’  —  EXCLUSIVE  —  “The X Factor” is upping the sexy factor — TMZ has learned Kelly Rowland and Paulina Rubio are signing on to be judges for next season.

NEWS/ Lindsay Lohan's Mean Girls Costar Rocks a “Go to Jail Lindsay” T-Shirt  —  Does Lindsay Lohan's Mean Girls costar Jonathan Bennett (aka Aaron Samuels) want her to go to jail?!  —  We're not sure, but his shirt does!  —  The “tell him his hair looks sexy pushed back” …

Donald Faison & CaCee Cobb's Wedding Video Sneak Peek  —  Donald Faison and new wife CaCee Cobb sure know how to party.  —  Though the couple tied the knot in December of last year, their Southern-style Los Angeles wedding is now featured in the summer issue of Martha Stewart Weddings (on stands June 3).

Cannes: Ryan Gosling Shares Charming Hollywood Stories in Alec Baldwin's Movie-Making Documentary  —  You can never have enough Ryan Gosling in your life, as we all well know.  So it is our delight to report that this year's Cannes Film Festival features a double dose of the Gos.

Mischa Barton — Cops Rush to L.A. Home Over Screaming Woman  —  Cops Rush to L.A. Home  —  Over Screaming Woman  —  EXCLUSIVE  —  Mischa Barton came face-to-face with several police officers on Thursday ... when a fleet of squad cars rushed to her L.A. home in response to a report …