Last night 49-year-old Rob Lowe had celebrated something special, 23 years of sobriety! He tweeted out “Celebrating 23 years sober tonight. #ItWorksIfYouWorkIt”

Clint Eastwood and wife Dina Ruiz have been together since first meeting in 1993 when Dina, a TV anchor at that time, interviewed Clint for a movie he was in. Three years later, they wed. The two seemed to have beat the odds until early last week when news that Dina was heading to rehab hit the web. According to reports, Dina was depressed and having anxiety issues. Could marriage troubles be the source?

While starring on screen in the reality series Mrs. Eastwood & Company, Dina Ruiz Eastwood appeared to be on an even keel, but apparently the wife of famed actor and director Clint Eastwood was struggling behind the scenes because she has reportedly checked herself into rehab to deal with mental health issues.

While his father continues to battle with addiction, Jack Osbourne celebrated 10 years of being drug- and alcohol-free. Here’s a look back at his experience as a teenage addict.

Lindsay Lohan appeared on The Late Show with David Letterman last night and got grilled by the host about rehab and addiction. A short while into the interview, Lindsay began crying over the tough questions which makes her the second young star to be brought to tears by Dave (Justin Bieber was another — allegedly). Then, this morning, Liza Minnelli came forward claiming to have been recruited to stage an intervention for the troubled star.

Actor Cory Monteith, best known for his role as Finn Hudson on Fox’s hit Glee, has checked into rehab. Get his rep’s official statement as well as his co-star and girlfriend Lea Michele’s reaction. In addition, find out about Cory’s previous rehab visit and just how bad his substance abuse problems had gotten at one time.

Lindsay Lohan recently appeared in court where she was sentenced to rehab after lying to police about an earlier incident involving her Porcshe. In the end, Lindsay was okay with heading to rehab — especially since it meant she wouldn’t do time in the slammer — but under one condition. The Liz & Dick actress wants to continue taking Adderall.

Madonna’s brother Anthony Ciccone (56) is a homeless alcoholic living on the streets of Traverse City, Mich. who says he’s been abandoned by his famous younger sister. That sounds heartless on Madonna’s part, but there’s a lot more to this story.

Jenelle Evans is out of rehab and spending her days with her husband Courtland Rogers after splitting with her ex-fiance Gary Head last week. There are still a lot of questions surrounding why the Teen Mom 2 star was in rehab and why she went back to a man she claimed assaulted her four times. Today, Jenelle addressed those questions on Sulia.

Brooke Mueller has just won a big payday in her lawsuit against The Canyons rehab facility in Malibu. Brooke, the ex-wife of Charlie Sheen, had been treated at the facility a few years ago but took legal action against them after she claims they leaked her private admissions documents to the press.