'A very tough week, a challenging year,' read her post.
'Huge congratulations @karlstefanovic_ for a 14 yr (sic) tenure hosting one of TV's most demanding gigs.'
'You brought a new brand, straddling the serious stories along with endless laughs (see YouTube!) You taught me plenty, it was never boring. X,' Georgie wrote, concluding her caption with a kiss.
Meanwhile Karl has told The Daily Telegraph he is excited about what’s to come.
'I suppose, as they say, a change is as good as a holiday, I'm looking forward to getting back to work,’ said Stefanovic, who just returned from his honeymoon with wife Jasmine Yarbrough.
'I'm moving forward with a sense of excitement about what's to come'.