Kendall Jenner
The 27-year-old model might have wowed designers and photographers around the world, but sometimes when she looks in the mirror she doesn't feel confident due to her skin.
Kendall suffered from particularly bad acne when she was a teenager.
In 2019, she said: "While there are much bigger problems happening in the world, suffering from acne for me was debilitating. It's something that I've dealt with since I was a young teen and has caused me to feel anxious, helpless and insecure. We curate our life online and pick the pretty moments to post. I'd like to show a younger generation that not everything is perfect."