Winnie Harlow , 19 , has had vitiligo since she was four . Lack of melanin causes white patches to form on skin . Model stars in Charlotte Free 's new spring campaign alongside Diesel . Also starred on America 's Next Top Model and walked in Ashish show .
Winnie Harlow , 19 , has had vitiligo since she was four . Lack of melanin causes white patches to form on skin . Model stars in Diesel 's new spring campaign alongside Charlotte Free . Also starred on America 's Next Top Model and walked in Ashish show .