Fitness guru Richard Simmons has passed away at the age of 76. Known for his eccentric personality and unrelenting positivity, Simmons just celebrated his birthday on Friday. The Los Angeles Police Department responded to a 911 call from his housekeeper and found Simmons dead. Preliminary reports indicate that he died of natural causes, with no foul play suspected. Just a few months ago, Simmons startled his fans when he posted on Facebook that he was dying. However, he later clarified that he was not actually dying, but rather wanted to encourage everyone to appreciate each day of their lives. Despite the recent attention surrounding his health, Simmons has been out of the public eye, preferring to live a quiet and peaceful life. Though he may be gone, Richard Simmons will be remembered for his contagious positivity and his dedication to helping others embrace a healthy lifestyle.