Chris Klein Checks Into Rehab  —  Following his second alcohol related arrest, actor Chris Klein has voluntarily checked himself into rehab.  —  “After recent events, Chris was forced to take a clear look at a problem he has been trying to deal with himself for years.

Yanks clarify Lady Gaga's access  —  NEW YORK — Lady Gaga is still welcome at Yankee Stadium, but just not in the clubhouse.  Especially not after a loss.  —  “She's not banned,” New York Yankees GM Brian Cashman said on Sunday afternoon.  “Celebrities aren't banned.

Heidi and Spencer Divorce — The Real Deal  —  Knock us over with a feather.  TMZ has learned ... Heidi Montag is so serious about ending her marriage to Spencer Pratt, she's already lawyered up and she has a game plan.  —  We've learned Heidi has picked Jodeane Farrell to handle her divorce …

Michael Jackson's mum remembers her son a year on and reveals what life is like for his children  —  EXCLUSIVE: MY BOY JACKO..ONE YEAR ON BY HIS MUM  —  The world remembers its biggest superstar... and three children mourn the father they adored.  —  Nearly one year on from the death of Michael Jackson …

Meet Justin Bieber's Rockin' Dad  —  Justin Bieber would be nowhere without his mother, Pattie Mallette: She posted the now-infamous videos of him on YouTube, relocated to Atlanta with him so he could launch his recording career and keeps him grounded with chores and a curfew.

Vanessa Carlton: I'm Bisexual And Proud  —  WHAT'S YOUR REACTION?  —  Singer/songwriter Vanessa Carlton is bisexual, she said for the first time Saturday at Nashville Pride, which she headlined.  —  “I've never said this before, but I am a proud bisexual woman,” she announced to a crowd of 18,000.

LADY GAGA COVERS ROLLING STONE  —  Check out the cover of the newest issue of Rolling Stone with Lady Gaga!  —  Thanks to our reader Dustin!  —  @balesz04 says:  —  OMG!!  She is soo crazyy :DD I love her more and more :D  —  @balesz04 says:  —  Oh, and she is so HOT!  I love her ass :P

Prince Harry and Chelsy Davy call it a day  —  PRINCE Harry and his long-term girlfriend Chelsy Davy have SPLIT, the News of the World can reveal.  —  Chelsy is moving to South Africa this week to begin a legal career and has told him they are OVER.  —  The pair have had an on-and-off relationship …

Katy Perry Wants Rihanna To Strip At Her Bachelorette Party  —  Katy Perry is determined to have a stripper at her bachelorette party - and she is urging Rihanna to do the honors by baring all.  —  The I Kissed A Girl hit-maker is preparing to marry British funnyman Russell Brand …

Constance Zimmer Gets Engaged  —  Sorry Ari Gold - she's officially taken!  Constance Zimmer, who plays feisty studio exec (and target of Gold's “affections") Dana Gordon on HBO's Entourage, is getting married.  —  The actress, 39, is set to wed boyfriend of three years, director Russ Lamoureux, her rep tells PEOPLE exclusively.

Miranda Lambert & Blake Shelton Enjoying ‘Magical’ Engagement  —  Miranda Lambert and Blake Shelton are happy to be engaged - but they're not worrying too much about wedding planning.  —  “We are both so busy that we have people helping us with the plans,” Lambert tells PEOPLE.