Charlie Sheen Divorcing Brooke Mueller, Source Says  —  Charlie Sheen is filing for divorce on Monday from his wife Brooke Mueller, a source tells PEOPLE.  —  The couple, who married in 2008 and have twin 1-year-old boys, have been living apart since April following a Christmas fight that landed Sheen in jail.

Demi Lovato Quits Tour, Enters Treatment Center  —  Disney star Demi Lovato has bailed on an international concert tour with the Jonas Brothers — and has checked into a treatment center to seek help for “emotional and physical issues” ... TMZ has confirmed through the singer's rep.

Amanda Seyfried and Ryan Phillippe Get Close on Halloween  —  Is love in the air for Amanda Seyfried and Ryan Phillippe?  —  The pair were seen getting close on Saturday while attending Kate Hudson's annual Halloween bash at her Pacific Palisades home.  —  Phillippe, 36, and Seyfried …

Kim Kardashian — Dreaming Up an Album  —  Kim Kardashian is recording an album.  As in music.  As in singing ... TMZ has learned.  —  We're told Kim's recently been in the studio with top notch writer/producer/performer The-Dream, whose hits include Rihanna's “Umbrella” and Beyonce's “Single Ladies (Put a Ring on It).”

Cher on Chaz, Sonny, and Staying in the Spotlight  —  Cher tells Vanity Fair West Coast editor Krista Smith that she can't believe “Sonny and I still aren't in the [Rock and Roll] Hall of Fame, and it just seems kind of rude.  Sonny was a good writer, and we started something that no one else was doing.

‘Devil’ Of A Role For Leonardo DiCaprio  —  EXCLUSIVE: Leonardo DiCaprio is going to play one of the most prolific serial killers in Chicago history, the 19th Century equivalent of Hannibal Lecter.  DiCaprio and his Appian Way partner Jennifer Killoran and Double Features partners Michael Shamberg …

Ricky Martin Cried ‘Like a Baby’ After Revealing His Sexuality  —  Ricky Martin put on a brave face last March when he revealed to the world that he is gay.  —  But behind the scenes the singer was caught up in a maelstrom of emotion, he tells Oprah Winfrey in an interview airing on her show Tuesday.

Shannon Tavarez Dies  —  Shannon Tavarez, the 11-year-old Broadway singer whose fight against cancer drew the attention of Alicia Keys and Rihanna, has died.  —  The soprano from Queens, New York, who recently played Young Nala in The Lion King on Broadway, passed away after a long battle with acute myeloid leukemia.

AnnaLynne McCord and Kellan Lutz Split  —  Courtesy of StarTraks, Jeremy Kost/WireImage  —  AnnaLynne McCord and Kellan Lutz are officially over, and one of them certainly wasted no time moving on!  —  The 90210 babe was in Vegas celebrating Halloween, and she debuted a new man on her arm, model Aaron O'Connell.

Slash Calls Off His Divorce  —  Slash has changed his mind about divorcing his wife of nine years.  —  The former Guns N' Roses guitarist has called off his split from Perla Ferrar, his rep confirms to PEOPLE.  —  Slash filed a request for dismissal of the divorce papers in L.A. County Superior Court, according to TMZ.

Did Eddie Cibrian Propose to LeAnn Rimes on Halloween?  —  Is LeAnn Rimes engaged?  —  Judging from her Twitter feed, the singer wants people to think she is.  —  In a picture Tweeted by live-in boyfriend Eddie Cibrian - then re-Tweeted by Rimes - the actor kneels in front of a sign that reads White Chapel Lunatic Asylum.

Mel Gibson: Hobo Clown  —  Mel Gibson may be sitting for his deposition this morning in L.A. — marking the first time he's seen his ex Oksana Grigorieva in months — but that didn't damper his Halloween spirit this weekend.  TooFab has obtained this exclusive photo of the actor in costume at a Friday night party.

Liam Hemsworth with mystery blonde, not Miley Cyrus  —  QUESTIONS are being raised over the status of Liam Hemsworth's relationship with teen pop queen Miley Cyrus after he spent Saturday night in cosy company with an attractive blonde.  —  The Phillip Island actor certainly looked single …

Baz Luhrmann Playing The Field To Pick The Right Daisy For ‘The Great Gatsby’  —  EXCLUSIVE: Director Baz Luhrmann is expanding his search for Daisy Buchanan as he moves closer to committing to The Great Gatsby as his next film.  Deadline revealed recently that Luhrmann did a work shop …

Jamie Chung Joins ‘Hangover 2’ Cast … Jamie Chung is boarding The Hangover Part II, currently shooting under the direction of Todd Phillips.  —  The Warner Bros. and Legendary Pictures sequel reunites the stars from the original — Bradley Cooper, Zach Galifianakis, Ed Helms and Justin Bartha …

Alanis Morissette Relaxes in a Bikini in Mexico  —  Alanis Morissette was leaving nothing up to the imagination during her vacation in Los Cabos, Mexico.  —  The singer, who is expecting her first child, soaked up the sun and relaxed in a tiny, white bikini while hanging out with her husband …

Justin Bieber Makes A Run For It  —  The 16-year-old music superstar signed copies of his new book Justin Bieber: First Step 2 Forever at Barnes & Noble at The Grove Sunday afternoon, and later quickly made a dash for the exit.  Too many screaming fans I bet!

GQ.com Filled With ‘Glee’  —  Controversial content can drive traffic for magazines, but does it pay off financially?  —  GQ took some heat for publishing the sexy Glee photos in its November issue, but it racked up 33 million pageviews on GQ.com in the first week.  (Not bad for a site that only launched a year ago.)