Fame can be a double-edged sword. Behind the glitz and glamour there can be dark moments of self-doubt and loneliness. These stars have all bravely opened up about their own experiences of depression and have addressed taboos around the mental illness, helping their fans also deal with the same issue.

The pop sensation was faced with situational depression as fame left her with no time for herself. Katy opened up about her mental health struggles saying that 2017 and 2018 were the toughest years of her life. After attending therapy and practicing meditation, Perry was able to overcome her issues. She said: "I’ve come to learn that being happy is something you have to work for every single day. I know that in this messed up world, it is hard to find inner peace and happiness. But it’s not impossible.”

Robert Pattinson was catapulted to global fame due to his role as vampire Edward Cullen in the 'Twilight Saga'. Unable to cope with his inescapable notoriety, Rob found himself depressed. Speaking to The Daily Telegraph newspaper, he admitted he "could not do a lot of the stuff he was able to do” before landing the role. Pattinson added that “luckily depression never lasts long" for him, and he even cracked a joke saying he would "love to go into therapy", but it makes him too anxious.

‘Easy On Me’ singer Adele welcomed baby boy Angelo in 2012 but faced postpartum issues. In a 2016 interview with Vanity Fair, the Grammy award winner talked openly about her struggles. Adele said: "I had really bad postpartum depression after I had my son, and it frightened me. "My knowledge of postpartum - or post-natal, as we call it in England - is that you don't want to be with your child; you're worried you might hurt your child; you're worried you weren't doing a good job. But I was obsessed with my child. I felt very inadequate; I felt like I'd made the worst decision of my life.”

The ‘Pirates of the Caribbean’ actor entered a dark spiral of depression after his marriage to ex-wife Amber Heard fell apart. The toxic relationship created a lot of emotional turbulence for Depp which was hard for him to cope with. Journaling his thoughts motivated him to overcome the darkness. He said: “I don't think people understand how stressful it is to explain what's going on in your head when you don't even understand it yourself.”

Inspired by her own battle with depression, the 'Harry Potter' writer created the dementors as a metaphor for depression. The dark creatures are described as dark, foul, soul-sucking beings who drain peace, hope and happiness from their victims leaving them in a state of isolation and despair.

The ‘Devil Wears Prada’ star was “hurt for so long” claiming that she suffered from both anxiety and depression. Instead of turning to medication, Hathaway faced her inner demons. She shared: "I said to mom the other day, ‘Do you remember that girl? She has now gone, gone to sleep. She has said her piece and she is gone. “But then I thought, ‘I so remember her, only she is no longer part of me.’ “I am sorry she was hurting for so long. It’s all so negatively narcissistic to be so consumed with self.”

Dwayne 'The Rock' Johnson has been open about his struggles with depression. In an appearance on UK TV show 'Lorraine', the former WWE Superstar said: "Depression doesn't discriminate. Regardless of who you are or what you do for a living or where you come from, it doesn't discriminate, we all kind of go through it." He also shared on his Instagram account that his family has a history of mental health issues, admitting “we’ve all been there on some level or another”.

Stefani Joanne Angelina Germanotta, better known as Lady Gaga, struggled with catatonic state depression that made her want to be anybody but herself. Her mental health struggles played a pivotal role in the making of her album ‘Chromatica’. She said: "I used to wake up in the morning, and I would realize I was Lady Gaga. And then I became very depressed and sad, and I didn't want to be myself. "I felt threatened by the things my career brought into my life and the pace of my life. "I spent a lot of time in a sort of catatonic state of just not wanting to do anything. "And then I finally, slowly started to make music and tell my story through my record."

During a 2017 appearance for Heads Together campaign, Prince Harry revealed that after the death of his mother Princess Diana in August 1997 he “shut down all of [his] emotions" for two decades. Harry also explained his way of dealing with it was “refusing to ever think about" his mother because he didn't see how it would help. Harry, 38, eventually reached out to a therapist who helped him deal with his emotions in a more productive way. Most recently the Duke of Sussex left no details to ‘Spare’ in his memoir by admitting that he used psychedelic drugs to deal with the “grief and trauma” of his mother’s death.

The ‘Friends’ actor opened up about his addiction journey in his memoir ‘Friends, Lovers and the Big Terrible Thing’. At the height of his career, his mental health was at an incredible low that almost cost him his life. He revealed: "I wanted to share when I was safe from going into the dark side of everything again. "I had to wait until I was pretty safely sober — and away from the active disease of alcoholism and addiction — to write it all down. And the main thing was, I was pretty certain that it would help people."