The source went on to say, with Sonia out of the picture, Today co-host Georgie Gardner would most likely be her immediate replacement in the new year.
However, Nine is denying all rumours about a shake up, with a spokesperson telling the publication: “All of the talk is made up.”
Sonia’s contract with Nine is reported to be worth $800,000.
Earlier this year, the former Strictly Ballroom star launched the app Strictly You - a dance-based fitness and nutritional program giving users access to health and fitness advice from Australia's best choreographers, nutritionists and professional trainers.
"Nothing comes close to the rush I get from dancing. You can burn calories whilst having a ball and I want others to feel the same. It's possible to have a great work out, learn some fun dance floor skills and look and feel better than ever!" the Dancing With The Stars host stated.