Charlie Sheen Checks In to Rehab  —  Charlie Sheen voluntarily checked himself in to an undisclosed rehab facility earlier today ... TMZ has confirmed.  —  Sheen has not revealed why he's seeking treatment — but his publicist tells us, “He is most grateful to all who have expressed their concern.”

Demi Lovato Leaves Treatment Facility  —  Demi Lovato has completed her stint in a treatment facility and is already back in L.A. ...  TMZ has learned.  —  Sources close to Demi tell us ... the actress wants to focus on getting back into her “regular routine” and spend time with her family and close friends.

Chris Brown Asks Judge To Remove Restraining Order In Rihanna Beating Case  —  Chris Brown appeared in a Los Angeles courtroom Friday afternoon for a progress report in the Rihanna beating case where his attorney requested to remove the restraining order against his client, RadarOnline.com has learned.

EXCLUSIVE: Jaime Pressly Files For Divorce  —  My Name is Earl star Jaime Pressly filed for divorce from her husband Simran Singh after just over one year of marriage, RadarOnline.com is exclusively reporting.  —  In court documents filed in Los Angeles Superior Court on January 21 …

Bristol Palin's College Sex Talk Cancelled Due to Student Opposition  —  Bristol Palin won't be speaking to Washington University students about teen pregnancy and abstinence.  Student protests caused the university to withdraw their invitation to Bristol, Reuters reports.

Lindsay Lohan — ‘Worried’ About Charlie Sheen  —  Lindsay Lohan believes Charlie Sheen is in the midst of a “life or death situation” ... and has told friends she's “thrilled” that he's checked himself into a rehab center.  —  Sources close to Lohan tell us ... Lindsay is “worried” …

Jason Davis — Arrested For Drug Possession  —  Jason Davis — the famously inebriated grandson of Marvin Davis and alum of “Celebrity Rehab” — was arrested last night in Newport Beach, CA. for possession of a controlled substance ... TMZ has learned.  —  The arrest comes a day after the …

Report of Lisa Marie Presley's Collapse Is Untrue, Rep Says  —  Lisa Marie Presley is doing just fine, thanks.  —  Despite a dramatic tabloid report this week that she collapsed at her English estate because she was weakened by an extreme diet, the musician's rep insists she's in excellent health.

Demi Moore and Ashton Kutcher jet off to sunny Brazil (and her daughter Tallulah tags along too)  —  After spending the week in the snowfields at Sundance, Demi Moore and Ashton Kutcher are heading off to balmy Brazil.  —  The couple were seen jetting out to the South American country from LAX airport yesterday.

EXCLUSIVE: Jesse Tyler Ferguson Goes Public With New Boyfriend  —  Meet Jesse Tyler Ferguson's new man!  —  The 35-year-old Modern Family star, who plays Eric Stonestreet's partner on the hit ABC comedy, held hands with actor Justin Mikita on the red carpet Thursday.

Video: Kate Hudson Talks About Freeze-Framing Tom Cruise's Package!  —  Kate Hudson stopped by The Graham Norton Show in London this week, where she talked about her pregnancy and denied the engagement rumors.  The interview airs on Feb. 5, and here's a sneak peek, in which Kate reveals her childhood crush on Tom Cruise.