Autumn Calabrese

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.

Pick up exactly where you left off.

Tick an episode and the rest sorts itself out: what is waiting tonight, what airs tomorrow, what you abandoned two years ago. And under every episode, what other people made of it, without ever spoiling what comes next.

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