Richard Simmons died one day after his 76th birthday. The Los Angeles Police Department responded to his home after a 911 call from his housekeeper and found Simmons dead. According to LAFD sources he was pronounced dead at the scene of natural causes. Simmons posted on social media on Friday, “Thank you…I never got so many messages about my birthday in my life!,” Simmons wrote. “I am sitting here writing emails. Have a most beautiful rest of your Friday. Love, Richard.”