Mental illness is not selective and affects millions of people in the world. These illnesses include anxiety and depression and have not always been easy for celebs to deal with.

Just as non-celebs learn, having a mental health disorder can flip your life upside down. While many people are able to deal with these issues and keep them at bay, there are plenty of times when these disorders take over. When this happens, people (including celebs) have to take some time off and readjust.

Check out these 10 celebrities who have battled mental health issues.

1. Demi Lovato

It’s no secret that Demi Lovato has gone to rehab for health issues in the past. A couple of years ago, the Confident singer revealed that she had been diagnosed with bipolar disorder.

2. Owen Wilson

The Wedding Crasher star Owen Wilson had a difficult time battling depression, having suicidal thoughts and worrying his friends and family. According to People Magazine, Wilson has battled demons in the past and has also struggled with drug addiction.

3. Emma Thompson

Emma Thompson a well know star in the Hollywood industry revealed that she battled depression that got so bad, she was unable to get out of bed on some days following her divorce from Kenneth Branagh. The actress admitted that she should have sought professional help, but was able to pull herself out of a rut after meeting her second husband, actor Greg Wise.

4. Catherine Zeta-Jones

Actress Catherine Zeta-Jones has struggled with bipolar disorder for quite some time. In 2011, Zeta-Jones spoke out about her diagnosis, telling InStyle, “It’s been an intense time, in good ways and bad. You find out who you really are and who you’re married to. You find things inside yourself you never imagined were there.”

5. Brooke Shields

In 2003, Brooke Shields suffered from postpartum depression. The actress admitted that she cried for weeks and that it got so bad that she was unable to hold, or even look at, her baby.

6. Michael Phelps

Olympic Gold Medalist Michael Phelps has battled ADHD since he was just a boy. He turned to swimming at a young age and has said that the water made him feel a sense of peace. He was medicated as a child and has found other ways to cope with the challenges he faces as an adult.

7. Winona Ryder

The actress has struggled with anxiety and depression throughout much of her life. For a while, Ryder needed to stop taking on major roles in film because the added stress wasn’t good for her. She recently made her return to the spotlight, starring in the super-popular Netflix series, Stranger Things.

8. Nicole Kidman

After her split from husband Tom Cruise, Nicole Kidman struggled with depression. She opened up about her battle back in 2012.

“I married [Tom] really fast and really young, but I don’t regret that because it got me Bella and Connor, and I did have a fantastic marriage for a long period. Then when it didn’t work out, I had to really dig deep and find my way through depression, but I have no regrets about all of it. It was all a part of growing up,” she told The Who Magazine (via Glamour).

9. Jon Hamm

The Mad Men actor has previously battled depression and has needed to be medicated to help him cope. “You can change your brain chemistry enough to think: ‘I want to get up in the morning; I don’t want to sleep until four in the afternoon,” Hamm said to The Observer back in 2010, referring to the medication he was taking.

10. Gwyneth Paltrow

The actress struggled with postpartum depression back in 2006, after giving birth to her son Moses.

“Luckily, was low-grade enough that I didn’t have to be hospitalized, but it’s a very debilitating thing, and I think there’s so much shame around it, and there shouldn’t be.” Says the actress.