"Somebody was asking 'How do you stay confident?' and I actually really faked it. I faked it all the time -- not all the time, but I fake it a lot of times," the style blogger opened up to her fans in a video. "I don't feel confident and I don't feel happy at all. I feel so sad inside and sometimes I feel so sad and so broke inside, especially lately."
Image via Instagram @songofstyle
Image via Instagram @songofstyle
"I thought, 'He won't be interested in me; I'm not a contender," Wilde said of now fianceé Jason Sudekis. "He was so cool, so funny -- I was such a fan of his and had always fancied his speed and his intelligence. I thought, 'I'm not beautiful enough or his type.'"
Image via Instagram @oliviawilde
Image via Instagram @oliviawilde
"If I could change one part it would be my feet. After all the years dancing they're a little beat up. And I wear big earrings because I don't like my ears," Beyoncé once said.
Image via Instagram @beyonce
Image via Instagram @beyonce
"My skin used to be a lot worse than it is, and we would do a lot more coverage because I was insecure about my skin," Perry said in a video. "When you're insecure about your skin you just do a lot more."
Image via Instagram @katyperry
Image via Instagram @katyperry
"I don't find myself as sexy as everyone thinks. I'm a lot more insecure than people assume," Kardashian West disclosed to Glamour.
Image via Instagram @kimkardashian
Image via Instagram @kimkardashian