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.

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 …

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.

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 …

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.

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.

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 …

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” …

Ramona Singer helps friend catch alleged jewelry thief  —  Reality star Ramona Singer turned into a real-life hero when she helped a pal track down a nanny who allegedly stole thousands of dollars in jewelry from her Park Avenue apartment.  —  Composer and philanthropist Lucia Hwong Gordon went …