Lindsay Lohan
In 2013, the formerly troubled star sought professional help at the Betty Ford Center. "I believe things happen for a reason," she said in an interview at the time. "I live without regrets. There are certain things I have done, mistakes that I made, that I would change, but I don't regret them at all, because I've learned from them."
Robert Downey Jr.
After numerous run-ins with police and drug charges in 2001, the actor was ordered to remain in a live-in drug rehab center for over a year in addition to three years probation.
Britney Spears
After reports surfaced in 2007 claiming Kevin Federline would start a custody battle if she didn't receive help, the pop singer successfully completed treatment at Promises Malibu Treatment Center. In 2019, the pop star spent a month at a mental health treatment facility.
Charlie Sheen
After voluntarily entering rehab for undisclosed reasons in 2011, the actor forced Two and a Half Men to shut down production.
David Duchovny
The X-Files star surprised fans in 2008 when he announced he would be enterting rehab to undergo treatment for sex addiction.
Mike "The Situation" Sorrentino
The MTV reality star checked into a facility for a prescription medication problem in 2012. After successfully completing the program, The Situation told fans, "I'm at a good place. But it took a little bit to get there."
Mary-Kate Olsen
Back in 2004, the fashion designer checked into Utah's Cirque Lodge for "an eating-relating disorder."
David Arquette
Months after splitting from Courteney Cox, the Scream actor entered rehab for alcohol treatment in 2011. "I love and support him," his ex said when the news broke.
Billie Joe Armstrong
Days after his onstage meltdown at the iHeartRadio music festival in Las Vegas in 2012, Green Day's lead singer began treatment for substance abuse.
Kim Richards
In an emotional 2012 interview with Andy Cohen, the Beverly Hills housewife admitted to being an alcoholic. Luckily, rehab was a success and she was able to return for another season of the hit show.
Gerard Butler
Three weeks after undergoing treatment at the Betty Ford Center in 2012, the actor returned to his home healthier and stronger. His reps didn't comment on the reason for his stay.
Keith Urban
Four months after saying "I do" to Nicole Kidman, the American Idol judge voluntarily checked himself into rehab. "One can never let one's guard down on recovery," the singer said in 2007. "And I'm afraid that I have."
Demi Moore
In 2012, the actress took her spiritual counseling to the next level when she checked into Utah's Cirque Lodge. A source told E! News the star was being treated for an eating disorder and addiction issues.
Eric Dane
Just a few weeks after finding out his now ex-wife, Rebecca Gayheart, was pregnant with their second child, the Grey's Anatomy star checked himself into rehab in 2011 for a problem with pain medications.
Bobby Brown
As part of a plea agreement for his DUI arrest, the singer entered treatment in 2012 for addiction issues.
Rob Lowe
Soon after falling in love with Sheryl Berkoff, the actor decided it was time to stop drinking and get help. Today, he is more than two years sober.
Matthew Perry
Following the advice of his doctors, the Friends actor entered treatment in 2001. "Matthew has every intention of completing his treatment so that he can continue his dream of entertaining people and making them laugh," his publicist said. He's accomplished that goal today with his hilarious role on NBC's Go On.