What's going on with Richard Simmons? That's been the question on everyone's lips for several years now after the famous fitness guru mysteriously left the spotlight.

It's thought the star was last seen in public back in 2014 -- and it's safe to say there have been plenty of rumors swirling since about what really happened to him and what he's doing today.

Some of the more dramatic speculation? In 2017, Simmons was forced to hit back following a report from National Enquirer that claimed he hadn't been seen in public for a few years.

He had supposedly been undergoing surgical procedures to change his sex.

He even sued the publication over the claims, per TMZ, and vehemently denied the allegations.

So now we know the star isn't undergoing gender reassignment surgery or being held hostage, what exactly is the reason he's shunning the spotlight these days?

Well, new light has just been shed on what his life is like today in an insightful new documentary.

"He was born without a full set of bones in his foot and it causes physical and emotional problems."

The latest revelations came after Simmons discussed his disappearance back in 2016. He shared his affection for all those who were worried for him, but clarified he was doing just fine. "It was time for me to take some time to be by myself.