He died Nov. 3 surrounded by loved ones, his family said in a statement on his Instagram page.
He battled all the way to the end and fought as hard as he could, it read.
Such a beautiful soul with so much more to give.

Johnny RuffoDon Arnold/WireImage
FormerX Factorhost and Spice Girl Mel B was among those who sent condolences to his family.
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Dannii Minogue wrote on Instagram: The cheekiest chap.
His voice, smile and dancing feet will be missed by so many.

Ruffo was born in Perth in Western Australia.
He joined theX Factorcast in the third season in 2011.
Ruffo was diagnosed in 2017, and after two years of treatment, he entered remission.
But his cancer returned in 2020.
Survivors include his partner, Tahnee Sims.