Autumn Calabrese Fan Casting
Robert King
Published Mar 23, 2026
Age: 43 born September 23, 1980
Fitness instructor and YouTuber who is known for having invented the 21 Day Fix diet. She is a certified personal trainer, and is a member of the Beachbody community of fitness trainers. She created her eponymous YouTube channel on September 27th, 2013, where she often posts workouts and dieting tips.read more
