For a ballerina's body

Ballet-inspired workouts are a great way of improving flexibility and muscle mass while also keeping the mind healthy

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"I have to keep moving, because when you get older, it's more critical than when you're young that you keep your body moving," says Hollywood legend and ballet enthusiast Jane Fonda.

"If I don't [keep moving], not only does my body begin to deteriorate, but so does my mind, and I know that I need those endorphins," she added, posting a workout video on Instagram.

Fonda's ballet-inspired classic routine is back under the spotlight and is being hailed for standing the test of time.

Ballet-inspired workouts are a great way to develop a lean muscle mass while improving balance, flexibility and range of motion.

"When I go to the ballet, I am always in awe of the dancers' bodies as much as I am of the beauty they express through movement: The definition in their arms, their strong legs, and the length that extends from their fingertips to their toes," the Black Swan actress Natalie Portman posted on Insta.