Simmons, now 67, wore wigs and women's clothes in the music video for his song, "Hair Do" in 2013.
Get something girly!" he repeatedly croons during the clip.
The video was released on August, 2013. As RadarOnline.com reported, he appeared at the Palm Springs Pride parade on November 3, 2013 in one of his last public appearances before entering seclusion for nearly three years.
According to a bombshell new report from The National ENQUIRER, Simmons has spent the last two years undergoing a sex change.
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Behind the walls of his Hollywood home, the insider said, he is living as a "soft-spoken woman named Fiona."
"This is not Richard Simmons in drag," the source insisted.
Indeed, as RadarOnline.com reported, there were signs from Simmons's youth that he struggled with his gender identity.
He admitted to playing with Barbie dolls as a child, as well as wearing makeup and women's clothes.
What do you think of Simmons's new look? Let us know in the comments, and watch the full video here!