This is Cheryl. She's a 55 year old Jazzercise instructor. Think Jazzercise works? You go, girl! Your abs are fab!

This is Cheryl. She's a 55 year old Jazzercise instructor. Think Jazzercise works? You go, girl! Your abs are fab!

How Jazzercise Turned Into a Viral Sensation

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Remember Jazzercise? It's Still Going Strong

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Dancin' Abs by Jazzercise : Movies & TV

Dancin' Abs by Jazzercise

Remember Jazzercise? It's Still Going Strong

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