Our favorite artists seem larger than life, don't they? Indeed, great musicians may seem superhuman as they power through tours with dozens of concerts and days of traveling, but the stressful routine of life on the road can take its toll.
Shakira, Bon Jovi, and Ariana Grande are just some of the stars forced to cancel their shows due to illness. For stories of stars forced to cancel shows due to mental or physical health problems, click through the gallery.