Cristiano Ronaldo and girlfriend Irina Shayk split speculations went on overdrive after the model unfollowed the football star on Twitter.

The rumors about the split started when Irina Shayk did not accompany Cristiano Ronaldo on Monday in Zurich as he accepted the FIFA Ballon d'Or award. In his speech, the Brazilian also didn't mention the model, said Daily Mail.

"It's an unforgettable moment in my life to win the Ballon d'Or for the third time. I feel extremely happy and proud to receive this award and I want to keep challenging myself every day," Critiano Ronaldo said. "I have to thank my family, all the people who support me and also my colleagues of Real Madrid and Portuguese National team that make me a better player every day."

The speculations about their split continued when Irina Shayk didn't congratulate Cristiano Ronaldo for the recognition on all her social media accounts.

"Rather than congratulating him on his impressive achievement, she has instead chosen to post pictures of herself on a winter getaway to a mysterious location, where she has been celebrating her 29th birthday," the Daily Mail said.

"In addition, Cristiano failed to mention Irina in his acceptance speech, while it was also discovered the while Ronaldo was following the beauty on Twitter, Irina Shayk was not following Cristiano back.

At that time, the model through her rep said that her scheduleconflicted with the awarding ceremony.

"[The Ballon d'Or] didn't fit in with her schedule - it was because of work commitments. We have no further comment to make," the rep said.

But the website also pointed out a curious thing that lend credence to the Cristiano Ronaldo and Irina Shayk split.

"In addition, Cristiano failed to mention Irina in his acceptance speech, while it was also discovered the while Ronaldo was following the beauty on Twitter, Irina Shayk was not following Cristiano back," it said.