And Georgina followed suit with a message of her own.
Ron wrote: “Happy Year, my love! 2020 May 2020 be a year full of love, health, peace and success for all! Happy New Year to all!”
Georgina said: “About last night… Happy 2020 !!!! Much health and love for everyone.”
It is not clear where the pair celebrated the turning of the new decade.
Ronaldo is currently resting during Serie A’s winter break.
He had been in Dubai earlier this week to collect a Globe Soccer Award.
Georgina posted a picture in a sparkly dress on New Year’s Eve – while seemingly selling a teeth whitening kit.
Ronaldo also posted an image on December 31, alongside his mother, Dolores Aveiro.
He wrote: “Congratulations, Mum! I wish you all the happiness in the world.”
It is unclear what the his mother is celebrating.