As Bell's 'Let's Talk' campaign puts the spotlight on importance of mental health awareness, it is clearer than ever that mental illnesses can affect anyone.
Here is a look at 20 celebrities who have dealt with some form of mental health issue.
AP Photo
Catherine Zeta-Jones
The 'Chicago' star revealed that she checked into the Silver Hill Hospital in New Canaan, Connecticut for treatment for Bipolar II disorder in April of 2011.
AP Photo/Evan Agostini
Mel Gibson
The 'Braveheart' star revealed in the documentary 'Acting Class of 1977' that he had been diagnosed with bipolar disorder.
AP Photo/Chris Pizzello
Steven Page
The former Barenaked Ladies singer spoke about his struggles with depression and mania during the University of Windsor's Mental Health Awareness Week in January of 2012.
THE CANADIAN PRESS/Nathan Denette
Margot Kidder
The actress who played Lois Lane alongside Christopher Reeve in the 'Superman' movies struggled with bipolar disorder, culminating in a highly-publicized manic episode in 1996.
THE CANADIAN PRESS/Adrian Wyld
Kurt Cobain
According to Cobain's cousin Beverly Cobain, a registered nurse with a background in mental health work, the Nirvana frontman was diagnosed with attention-deficit disorder and bipolar disorder at a young age.
AP Photo/Robert Sorbo
Pete Wentz
The bassist in the Grammy-nominated band Fallout Boy has taken medication for bipolar disorder since being diagnosed as a teenager.
AP Photo/Chris Pizzello
Russell Brand
The actor and comedian revealed in his book 'My Booky Wook' that he was diagnosed with bipolar disorder and has struggled with bulimia.
AP Photo/Matt Sayles
Matthew Good
The alternative rocker has been diagnosed with bipolar disorder after suffering through bouts of mania and anxiety throughout his career.
THE CANADIAN PRESS/Tannis Toohey
Carrie Fisher
Actress Carrie Fisher has spoken openly about her struggles with bipolar disorder and drug abuse in numerous interviews, as well as in her memoir 'Wishful Drinking,' and Stephen Fry's 'The Secret Life of the Manic Depressive.'
AP Photo/Richard Drew
Demi Lovato
Singer and actress Demi Lovato discovered she had bipolar disorder while undergoing treatment for an eating disorder at a residential clinic.
AP Photo/Evan Agostini
Stephen Fry
Comedian Stephen Fry won an Emmy for best documentary for 'The Secret Life of the Manic Depressive,' which explored his experiences living with bipolar disorder.
AP Photo/Kirsty Wigglesworth
Brooke Shields
Actress Brooke Shields publicly discussed her bout with postpartum depression after the birth of her daughter in 2003. She wrote of her experiences in the book 'Down Came the Rain,' bringing awareness to the condition.
AP Photo/Victoria Will
Emma Thompson
In an interview with the Daily Telegraph, actress Emma Thompson said she battled clinical depression in the past, with her career saving her from 'going under.'
AP Photo/Peter Dejong
Herschel Walker
Heisman Trophy winner, NFLer and Mixed Martial Arts fighter Herschel Walker revealed in his 2008 autobiography 'Breaking Free,' that he suffers from dissociative identity disorder.
AP Photo/Jeff Chiu
Michael Phelps
Sixteen-time Olympic Gold Medalist Michael Phelps was diagnosed with attention-deficit hyperactivity disorder, or ADHD, while he was in the sixth grade.
AP Photo/Michael Sohn
Paula Deen
In her 2007 book 'Paula Deen: It Ain't All About the Cookin,' celebrity chef Paula Deen revealed she suffered from panic attacks and agoraphobia for 20 years.
AP Photo/Carlo Allegri
Elton John
Music Legend Elton John discussed his struggles with substance abuse and bulimia on 'Larry King Live' in 2002.
AP Photo/Ronald Reyes
Sinead O'Connor
The 'Nothing Compares 2 u' singer checked into an unnamed Irish hospital for depression in January of 2012 after making a desperate plea for psycological help on Twitter.
AP Photo/Matt Sayles
Margaret Trudeau
In 2006, the wife of former prime minister Pierre Trudeau revealed that she was getting treatment for bipolar disorder.
THE CANADIAN PRESS/Graeme Roy
Elizabeth Manley
An Olympic silver medalist at the 1988 games in Calgary, Elizabeth Manley shared her experiences with depression in her 1990 autobiography 'Thumbs Up!'
AP Photo/Virginia Farneti, Lapresse
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