About 1 Percent Of The World's Population Have Vitiligo. In The United States, 2 To 5 Million People Have The Disorder. Vitiligo Is An Disease That Causes The Skin To Lose Its Colour In Blotches. Vitiligo Occurs When Pigment-Producing Cells Die Or Stop Dunctioning. The Cause Of Vitiligo Is Unknown & Stress Can Worsen The Disorder. Here Are The List of Celebrities With Vitiligo Michael Jackson (Record producer, Musician, Film Producer ) Holly Marie Combs (Television producer, Actor, Presenter ) Jon Hamm (Television director, Television producer, Actor, Film Director )