Wherever Richard Simmons is Will Sage Astornow, he may still be "Sweatin' to the Oldies."

Simmons' brother, Lenny Simmons, revealed during a service honoring the late fitness guru on Saturday that the "Sweatin' to the Oldies" star was buried wearing workout gear underneath his clothes.

"Just like Clark Kent, underneath his clothing, he is wearing a tank top and shorts," he shared. "Why, you ask? Because we think that God has another plan for him, and we made sure that he was going to be in his normal costume that we all know and love to help the saints and the angels get into shape."

Simmons added, "I'm here to say to you that even though he's not here, and I know he's in spirit here tonight, Richard Simmons will forever be sweating with the holies."

Simmons died on July 13, just one day after celebrating his 76th birthday. His death was determined to be "accidental due to complications from recent falls and heart disease as a contributing factor," Simmons' publicist Tom Estey previously confirmed to USA TODAY. "The toxicology report was negative other than medication Richard had been prescribed."

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Following a private funeral service for Simmons with eight people in attendance, a larger celebration of the exercise guru's life was held Saturday at St. Louis Cathedral in New Orleans, Simmons' hometown.

Fitness pioneer Richard Simmonsdies one day after 76th birthday

"I lost my only brother, but all of you lost a friend, a teacher and a motivator," Lenny Simmons reflected.

A Los Angeles County Medical Examiner's Department report previously detailed how Simmons deferred medical care after experiencing dizziness and collapsing at home.

Richard Simmonsfinal days: Fitness guru deferred medical care to spend birthday at home

"He refused to seek medical care because he wanted to spend his birthday (07/12/2024) at home and agreed to seek medical care the following morning (07/13/2024)," the report said.

Simmons frequently communicated with fans on social media, and in July, his staff shared a final message that he had prepared to post on Facebook and X prior to his death. The post showed Simmons wearing a spacesuit and was accompanied with the caption, "Let me fly you to the moon so we can gaze among the stars. Love, Richard."

Contributing: KiMi Robinson