I took a class at Pitbull and Tony Robbins’ *EXTRA* new workout studio, and it ended with an electrolyte margarita

Our fitness editor tried the new Grit Bxng workout, which is backed by Pitbull and Tony Robbins. Here's what the boxing/treadmill/weights workout is like.

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Photo: Grit

Adult Ballet is on the Rise—And Yes, You Should Totally Try it

Here's what to know before your first class.