Legendary fitness guru Richard Simmons has reportedly died just a day after his 76th birthday. Simmons reportedly died at his home in Los Angeles today (July 13). The fitness star, who appeared in several movies and TV shows, recently wrote to his fans on Facebook.

Following his birthday, he said: "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".

Simmons is best know for his fitness videos in the 70s and 80s, where he was launched into pop culture status with high profile TV appearances..