This is Aimee Rouski, a 19-year-old from Liverpool, England, who has Crohn's disease, a chronic inflammatory disease that affects the digestive system.
Rouski recently posted a few selfies with her ostomy bag and surgical scars to Facebook, and the post is going viral.
"I've wanted to do this for a while because I always see body posi posts for weight, but not many for disabilities/invisible illnesses," she writes.
"I've always been okay with the stuff that has happened to me, but some people have real difficulties accepting these things so I just want to say this. No one will know unless you tell them. People who know will still love you and still find you beautiful. Your illness is nothing to be ashamed or embarrassed about."