These celebrities, citing different reasons including "personal health," and different addictions, have disclosed spending time in rehabilitation centers.
U2's Adam Clayton credits Eric Clapton for his decision to seek treatment for alcohol addiction. He said he turned to Clapton for guidance in November 1993 after missing a show in Sydney because he has been too intoxicated to perform.
Ben Affleck revealed in a Facebook post Tuesday, March 14, 2017, that he had completed a rehab stint for alcohol addiction. The "Batman v Superman: Dawn of Justice" star has been to rehab before: In 2001, he checked himself into Promises Malibu, also to treat for alcohol abuse, with the help of friend Charlie Sheen, who was once a patient there and was three years sober at the time.
After decades of struggling with drug and alcohol addiction, rocker Ozzy Osbourne admits he's now been sober for more than a year. Though, in May 2016, Ozzy Osbourne's representative revealed he received treatment for sex addiction, which he allegedly suffered from for six years prior to treatment.
Conrad Hilton, left, son of Kathy and Rick Hilton, and brother to socialite Paris Hilton, was ordered to undergo a residential substance abuse treatment program for at least 90 days. A judge in Los Angeles made the order Tuesday, Jan. 26, 2016, after Hilton, 21, failed drug tests and violated probation that was handed down in 2015, after he pleaded guilty to disrupting a British Airways flight.
"Mad Men" star Jon Hamm completed a 30-day treatment program for alcohol abuse at Silver Hill Hospital in New Canaan, Conn. According to reports, Hamm entered the facility at the end of February 2015.
ABC News reported that their anchor Elizabeth Vargas was undergoing treatment for alcoholism in November 2013. She completed treatment and in 2014, after her second rehab admission, she described herself as an alcoholic.
A representative for Selena Gomez revealed on Feb. 5, 2014 that the singer/actress "voluntarily" spent time at The Meadows rehabilitation facility in Arizona, "but not for substance abuse." Gomez had canceled the Australian leg of her "Stars Dance" world tour in December 2013, saying, "I need to spend some time on myself in order to be the best person I can be."
In January 2014, Dean McDermott gave a statement to People magazine saying he had voluntarily checked into rehab to seek treatment. This came after reports surfaced that he was being treated for sex addiction after he allegedly cheated on his wife, Tori Spelling.
On Oct. 29, 2013, a representative for Chris Brown announced the star had checked into an undisclosed rehab facility to "gain focus and insight into his past and recent behavior, enabling him to continue the pursuit of his life and his career from a healthier vantage point." Two days earlier, the singer had been arrested and jailed for allegedly punching another man outside The W hotel in Washington.
In 2014, Zac Efron appeared on NBC's "Running Wild With Bear Grylls" where he discussed his addictions and how he felt the need for a "social lubricant." The actor checked into rehab in 2013, completed a five-month treatment program, reportedly for alcohol and cocaine use.
The former "X Factor" judge and former Disney star Demi Lovato, seen in 2010, spent three months in rehab late that year. Lovato has been candid about her struggles with drugs, an eating disorder and a past that included cutting herself.
Long Island native Lindsay Lohan's reported rehab stints include stays at Los Angeles' Wonderland Center and Promises Malibu Alcohol and Drug Rehabilitation Treatment Facility and a "lockdown rehab" at Seafield Center in Westhampton after a judge ordered her to go on March 18, 2013.
"Glee" actor Cory Monteith voluntarily checked into a rehabilitation facility for substance abuse on March 31, 2013. He went to rehab once before, at age 19. Less than three months after seeking treatment, Monteith died of a toxic combination of heroin and alcohol in a Vancouver hotel room on July 13.
Though she proclaims "They tried to make me go to rehab, and I said 'No, no, no'" in her Grammy-winning hit, the singer checked in twice, in 2008 and 2011. She died from alcohol poisoning not long after the second stint, at age 27.
Aerosmith lead singer and former "American Idol" judge Steven Tyler has done eight stints in rehab, despite 20 years of sobriety starting in the mid-'80s. Recently he estimated he spent $5 to $6 million on drugs in the 1970s and '80s -- not $20 million, as written in his 2011 memoir.
Daniel Baldwin did nine stints in rehab for a cocaine addiction before appearing on the first season of "Celebrity Rehab with Dr. Drew" in 2008.
In 2006, shortly after marrying Nicole Kidman and long before he became an "American Idol" judge, country singer Keith Urban checked into rehab for alcohol abuse. Previously, he had overcome a cocaine addiction that plagued him through the '90s.
Eva Mendes checked into Utah's Cirque Lodge in early 2008 for "personal issues." She told reporters at Cannes Film Festival the year before that to feel comfortable in a sex scene for the film "We Own the Night," she required a drink.
"I've been to rehab seven times and to two mental institutions," Kelly Osbourne, 28, told Cosmopolitan's British edition in 2013.
Ozzy and Sharon Osbourne's son, Jack, spent two months in treatment for an addiction in 2008 when he was 17. Jack Osbourne later told MTV News he had been addicted to OxyContin.
Prompted by a family intervention, Mary-Kate Olsen spent six weeks in rehab for an eating disorder soon after she and twin sister Ashley enrolled in New York University in 2004.
Jesse James spent a month in rehab during the spring of 2010 to deal with "personal issues" after multiple reported affairs while married to Sandra Bullock. The couple divorced later that year.
Liza Minnelli has been in and out of rehab during a lifelong battle with alcohol and pills. Her mother, Judy Garland, died of a drug overdose.
"Real Housewives of Beverly Hills" star and child actress Kim Richards, who was born in Mineola, went to rehab in December 2011 for alcohol abuse and other "serious issues," and left in early January 2012.
Eric Dane, former "Grey's Anatomy" star, checked into rehab in July 2011 for addiction to painkillers, which he was prescribed after a sports injury.
Stage name: Chevy Chase
Birth name: Cornelius Crane Chase
Singer Britney Spears underwent a stint in rehab in 2007 after a string of bizarre incidents, including shaving her head and partying excessively.
Charlie Sheen went to a rehab facility in 2010 after a slew of headline-making outbursts, including an interview where the actor referred to himself as a "warlock," claiming he had "tiger blood" and "Adonis DNA," and referring to his behavior as "winning!"
"Ghost" star Demi Moore landed in rehab, allegedly to treat anorexia and addiction to prescription pills, after a downward spiral that came after the end of her marriage to actor Ashton Kutcher.
Mike 'The Situation' Sorrentino
"Jersey Shore" reality star Mike "The Situation" Sorrentino entered a Utah rehab facility in 2012 to combat a struggle with prescription pain killers.
Oscar winner Mel Gibson sought rehab treatment in 2006, three days after he was arrested on suspicion of driving under the influence.
Country singer LeAnn Rimes checked herself in to a rehab facility after receiving hurtful tweets and Facebook posts. The singer described the criticisms on social media as "hard to deal with."
Robert Downey Jr.
Robert Downey Jr. has undergone many stints in rehab through the years, some as far back as the early 1990s. After his final treatment in 2001, Downey was able to rebuild his career.
"Friends" actor Matthew Perry has checked into rehab three times over the past 15 years. He sought help in 1997, 2001, and 2011 for alcohol abuse and an addiction to prescription pain medication.
Actor Robin Williams entered Hazelden Springbrook rehab facility in 2006 to combat a battle with alcohol. Williams told Parade magazine in 2013 that he also relapsed in 2003 after 20 years of sobriety while filming "The Big White." Weeks before his death in 2014, he apparently had checked into a rehab facility to "focus on continued commitment" to sobriety.
Seann William Scott
Actor Seann William Scott admitted himself to a rehab facility in early 2011 "to address health and personal issues."
Gerard Butler reportedly checked into the Betty Ford Center after deciding that he had become too reliant on prescription pain killers. Butler's struggle with pills is largely thought to have stemmed from severe pain after he stopped filming the movie "300."
Actress Tara Reid completed a 60-day stint in rehab at the Promises treatment facility in Malibu. Upon the completion of the program Reid told In-Touch Weekly in an interview that it was her alcohol use, not drugs, that was the problem.