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Marilyn Monroe -

“Imperfection is beauty, madness is genius and it’s better to be absolutely ridiculous than absolutely boring.”

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Kristen Stewart -

"I'm still fully and completely overtly aware of my insecurities."

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John Lennon - “Part of me suspects that I’m a loser, and the other part of me thinks I’m God Almighty.”

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Beyoncé - "People see celebrities, and they have money and fame, but I'm a human being. I cry, and I get scared, and I get nervous, just like everyone else."

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Oprah Winfrey -

“Self-esteem comes from being able to define the world in your own terms and refusing to abide by the judgments of others.”

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Jennifer Lopez -

"The biggest insecurity I had was my singing. Even though I had sold 70 million records, there was this feeling like, 'I'm not good at this.'"

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Meryl Streep -

"I say to myself, 'I don't know how to act—and why does anybody want to look at me on-screen anymore?' ... Lots of actors feel that way. What gives you strength is also your weakness—your raging insecurity."

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Russell Brand - “True confidence is someone who embraces and accepts who they are.”

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Sandra Bullock -

“I’ve never been a great beauty ... I’ve never been the bombshell that was coveted."

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Ryan Reynolds - "Acting has given me a way to channel my angst. I feel like an overweight, pimply faced kid a lot of the time–and finding a way to access that insecurity, and put it toward something creative is incredibly rewarding. I feel very lucky."

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Lady Gaga -

"I didn’t fit in in high school, and I felt like a freak."

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Bradley Cooper - "I never lived the life of 'Oh, you're so good-looking.'"

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Kim Kardashian - "I don't find myself as sexy as everyone thinks. I am a lot more insecure than people would assume."

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Justin Timberlake -

"Everyone has a geek inside of us who just wants to come out. I was a geek all my life, even though people perceived me differently after I kissed Britney Spears when I was 17. Even now I am a geek."

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Katy Perry -

"My skin used to be a lot worse than it is, so we would do a lot more coverage because I was insecure about my skin.”

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Penélope Cruz -

"The insecurity of not knowing how long you're going to make a living from the job that you love. It doesn't matter how well things go for you. It's always there."

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Robert Pattinson - “You have to confront your insecurities quite a lot, and I have plenty, plenty of insecurities."

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Jessica Alba -

"I was pigeon-toed, I had a sway back, I was slightly cross-eyed, buck-toothed, I sucked my thumb."

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Alexander Skarsgård -

"I have days where I feel like the ugliest person on the planet."

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Hilary Swank - “I was a troubled kid. I felt like an outsider. I didn’t feel like I belonged, especially in the classroom. I just wish that I would have been more secure.”

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Megan Fox - "But in terms of how I look, I'm completely, hysterically insecure."

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Olivia Wilde -

"As I get more successful, insecurities only pile on top of one another."

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Anna Kendrick - "I get insecure about everything. I'm still bewildered when people know my name or my face. I can't figure out what they would possibly want to talk to me for."

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Michelle Williams - "Every day feels like the first day, and every day you think 'They're going to fire me; I don't know what I'm doing; I don't know how to do this; I don't know why I'm here. Everybody's going to find out.'"

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Chris Evans -

"Many actors are saddled with raging insecurity and I am no exception."

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Mike Myers -

"I still believe that at any time the no-talent police will come and arrest me."

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Karlie Kloss - "As a kid, I was really tall and skinny and awkward and gangly—and I wasn't confident."

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Donatella Versace - "I'm insecure. You have to know the insecurities of a woman in order to make a dress for her to make her feel better."

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Miranda Kerr -

"Models are some of the most insecure people I've ever met. They're constantly being told they're not good enough."

Sources: (CNN) (HuffPost) (Allure)

See also: Celebs open up about mental health

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