Legendary fitness guru Richard Simmons has died. He was 76 years old.

Simmons was found dead on Saturday morning in his home. According to local police, he was discovered by his housekeeper, who immediately called for help. Simmons was pronounced dead on the scene by first responders. A cause of death is not yet known; however, foul play is not suspected, and it's believed that natural causes led to his death.

Simmons spent decades encouraging and helping people stay fit through music and dance.

His death came just a day after his birthday when he had just posted his thanks to fans on Facebook: "Thank you ... I never got so many messages about my birthday in my life! I am sitting here writing emails. Have a most beautiful rest of your Friday. Love, Richard."

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