The founder of Versace tragically passed away on 15 July 1997 aged 50 years old, and his 62-year-old sister took to social media over the weekend to pay tribute to her late brother two decades later, which saw her hail her sibling as "the King of the runway".
Alongside an image of Gianni on the runway surrounded by models, which was posted on her Instagram account, she wrote: " The king of the runway, Gianni Versace. #GianniTribute (sic)."
The creative mastermind also shared an image of an obituary on the photo-sharing site and has admitted she still misses Gianni "as much as ever".
The post was captioned: "Gianni Versace 1997 - 2017
On the 20th Anniversary of his passing he is still missed as much as ever.
Donatella, Santo, Allegra
And another image of Donatella and her older brother Santo, 72, with Gianni, which was photographed by Richard Avedon - was also uploaded on the platform.
The post read: "In memory of my beloved brother, friend and genius, Gianni. #GianniTribute
Photograph by Richard Avedon, (c) The Richard Avedon Foundation (sic)."
Donatella was not the only one to take to social media to share their fond memories of the late fashion legend.
Amber Valletta also shared a string of images of her fronting Versace campaigns on her Instagram account, and has revealed Gianni was the "first designer" who believed in her.
She wrote: "Gianni Versace was the first designer to believe in me. He was loyal and fearless. A visionary and a true gentleman. His legacy, talent, heart and contributions to fashion and beyond will never be forgotten. So much love and gratitude for this man and his family @versace_official @donatella_versace (sic)."
Whilst fellow supermodel Naomi Campbell, 47, also posted a variety of images of her with Gianni over the years, which included pictures of her after a catwalk show with the style mogul.
She wrote: "#GianniVersace#tribute paying #homage to our beloved@versace_official @cturlington@lindaevangelista #trinity #gianni'sGirls
"#GianniVersace#tribute R.I.P #I love you #family #20 yrs On .. (sic)."
Fashion photographer Mario Testino, 62, has shared images of the last project he worked on with Gianni before he was shot dead.
Mario wrote: "MISSING GIANNI. LAST PICTURE I DID OF HIS LAST SHOW BEFORE LEAVING US.
EXTRAÑANDO A GIANNI. LA ÚLTIMA FOTO QUE HICE DE SU ÚLTIMO SHOW ANTES DE DEJARNOS.
@Donatella_Versace #TestinoArchive#GianniVersace #GianniTribute (sic)."