Crohn's disease is a type of inflammatory bowel disease that can be incredibly challenging. In Crohn's disease, a rogue immune system attacks the digestive tract, causing inflammation and tissue damage.
Crohn's disease symptoms include abdominal cramps, diarrhea, fever and fatigue. Like many autoimmune diseases, symptoms tend to cycle, getting worse during flare-ups and then subsiding.
Here are 11 people who achieved celebrity for their deeds -- not their Crohn's disease diagnosis -- and how they dealt with the condition.