Jackie Stallone's Son Frank Leads Tributes to Late Mother, Dead at 98

Jackie Stallone, the mother of Hollywood actor Sylvester has died aged 98 and is today remembered as a "remarkable and fearless" woman.

Tributes have been paid to the late astrologer and one-time Celebrity Big Brother star who died in her sleep.

Her son Frank, who confirmed the news in a statement today (September 22).

"This morning my brothers and I lost our mother Jackie Stallone," Frank wrote on Instagram, adding: "She died in her sleep as she had wished."

Stallone was married three times and had three sons and a daughter, Toni D'Alto, who died in 2012.

Frank described his mother, who was a fitness advocate even in her later years, as a "remarkable woman working out everyday full of spunk and fearless."

He said his mother's mind was "as sharp as a razor till the day she died" and that his brother Sylvester "took care of her like a Queen for all of her life."

He added: "I will never be able to call my mom again or have her yell at me why I never got married. But we all loved her and her sprit to survive and prevail. I'll miss you always mommy."

A famous celebrity astrologer and women's wrestling promoter, Stallone had a very memorable, stint in the U.K.'s Celebrity Big Brother back in 2005, where he entrance remains one of the most iconic ever on the show.

Jackie Stallone
"Celebrity Big Brother III" housemate Jackie Stallone poses for photographs outside the Big Brother house, before her surprise entry to the house at Elstree Studios on January 10, 2004 in Hertfordshire, England. Gareth Cattermole/Getty Images

A surprise contestant, Stallone entered much to the shock of fellow contestant and former daughter-in-law Brigitte Nielsen, with whom she did not get along.

After a stunned Nielsen exclaimed: "Oh my God! Jackie!" Stallone, wearing a fur coat and sunglasses, replied: "Yeah... Jackie."

Many have shared the moment on Twitter today as news spreads of her passing.

In the 1980s, Stallone was a key figure in promoting women's wrestling—specifically Gorgeous Ladies of Wrestling (G.L.O.W.) which was later adapted into a Netflix series.

Singer Rowetta shared a memory with Stallone, tweeting: "Rest In Peace Jackie Stallone. This is me & Scully with her at the Big Brother wrap party, when Bez won. She was hilarious and had me running round after her all night...and I loved it."

Jamie East, who presented spin-off show Big Brother's Bit On The Side, tweeted: "Ah man, RIP Jackie Stallone - responsible for one of the greatest ever moments on television."

Stallone is survived by her husband Stephen Devine, her sons Sylvester and Frank and her six grandchildren.