1. Demi Lovato: Bipolar disorder, bulimia, addiction

As Demi Lovato became a rising star after her lead role in the Disney movie "Camp Rock," she entered rehab in 2011 after a history of drug abuse and self-harm. Since her diagnosis of bipolar depression, Lovato has produced a documentary about mental health called "Beyond Silence" which shares side-by-side photos of her recovery from bulimia and her rehab experiences.

Lovato is also the spokesperson for Be Vocal, which focuses on helping individuals and communities become mental illness advocates for themselves and others around them. "It is possible to live well and thrive with a mental illness," Lovato told Variety.

2. Chrissy Teigen: Postpartum depression

As an American model, author, mother of two, and television personality, Chrissy Teigen's life is constantly in the spotlight. In an essay for Glamour, Teigen opened up about the many ways postpartum depression affected her mental and physical health.

Teigen said, "It's a major part of my life and so, so many other women's lives. I'm speaking up now because I want people to know it can happen to anybody..." Teigen continues "Postpartum does not discriminate. I couldn't control it."

3. Kendrick Lamar: Depression and suicidal thoughts

In 2015, Kendrick Lamar spoke out about his mental health while revealing his battles with depression and suicidal thoughts in his album, "To Pimp a Butterfly." For example, the Grammy Award-winning artist raps about the survivor's guilt he experiences after leaving his hometown of Compton, California, where his family and friends remain in the track "u."

Kendrick told MTV in an interview about the album, "Three of my homeboys [one] summer was murdered. You living this life, you know what I'm saying, but you still have to face realities of this..."

4. Taraji P. Henson: Depression and anxiety

This "Empire" star's mental health experiences led her to launch the Boris Lawrence Henson Foundation in 2018, which was inspired and named after her late father. This foundation was created to end the stigma surrounding mental health and Henson emphasizes the importance of talking to a therapist when coping with anxiety and depression.

Henson added: "That's the only way I can get throughout it. You can talk to your friends, but you need a professional who can give you exercises."

5. Lauv: Depression and OCD

In 2019, Lauv launched the non-profit organization Blue Boy Foundation to help individuals struggling with mental health. The singer told iHeartRadio that he was "going through a really bad time" throughout his experiences with depression and OCD. Lauv told MTV News that meditating has helped his anxiety.

6. Ariana Grande: Depression and PTSD

For many years now, the "thank you, next" singer has been transparent about her struggles with mental health, but on April 12, 2019, Grande opened up about the effects of PTSD by sharing scans of a healthy brain and one with PTSD. Grande opened about suffering from PTSD after the Manchester bombing in 2017, telling British Vogue: "I don't think I'll ever know how to talk about it and not cry."

Grande's battles with mental illness show how prevalent this issue is as she uses her platform to share information on mental health.

7. Ruby Rose: Dissociative amnesia, depression, suicidal thoughts

"Batwoman" star Ruby Rose opened up with her lifelong struggles with depression in an Instagram post in 2019, revealing she was first diagnosed with the mental illness at the age of 13. When she was 18 years old, Rose learned that she had dissociative amnesia, which involves the inability to recall important personal information and is typically caused by trauma or stress.

Rose concluded the post by saying, "It's that self-love and self-care is more important than anything else."

8. Pete Davidson: Borderline personality disorder

In 2017, the "Saturday Night Live" cast member revealed that he had been diagnosed with borderline personality disorder, characterized by instability in moods, relationships, and self-image. Initially, Davidson thought that his dramatic mood swings were due to his regular marijuana use, but after his diagnosis by a psychiatrist, the truth was revealed.

Davidson tells Marc Maron that his father's death on 9/11 contributes to his health issues: "My big thing is trust. One day he was here and the next day he was not."

9. Kevin Love: Depression, anxiety, panic attacks

As a five-time NBA All-Star, basketball world champion, and a U.S. Olympic gold medalist, Love's panic attack during an NBA game was truly a turning point for not only his mental health but for his career, too. Love tells Medline Plus Magazine: "I encourage everyone to speak their truth. One saying I always default to is 'nothing haunts you like the things you don't say.'"

Love talks about the importance of sharing our stories, particularly among men, and making sure people know they aren't alone. He also emphasizes the difference talking to somebody can make and how medication and therapy helped his mental health journey in The Player's Tribune.

10. Billie Eilish: Depression and panic attacks

In an interview with "Rolling Stone," Eilish shares that she had experienced depression from ages 13 to 16, which involved self-harm. At the age of 17, she said she hadn't been experiencing depression, but panic attacks had become a part of her new lifestyle. These panic attacks stemmed from her having to leave home and seeing no end in sight with touring.

Billie shared the importance of therapy, saying that not only will they give you coping tips, but they will listen to your feelings and fears instead of urgently trying to fix you —because you're not broken.