Cristiano and his partner Georgina, 28, announced they were expecting twins - a boy and a girl - in October last year.
But the Manchester United ace revealed to his fans on Sunday night that their baby boy has sadly passed away.
He said that his new-born daughter is "giving us the strength to live" despite their "deepest sadness."
Ronaldo tragically wrote on social media: "It is with our deepest sadness we have to announce that our baby boy has passed away.
The football legend, 37, told the world about his and Georgina Rodriguez's heartbreak after their "angel" new-born son tragically passed away.
SOURCE: ig