Peloton instructor Leanne Hainsby, 35, hosts 'first class' since revealing breast cancer battle
The fitness star, 35, was diagnosed in August after finding a lump in her breast and has since undergone one surgery and 12 weeks of chemotherapy.
The fitness star, 35, was diagnosed in August after finding a lump in her breast and has since undergone one surgery and 12 weeks of chemotherapy.