Cristiano Ronaldo and Irina Shayk part ways (watch pics)

New Delhi: Football super star and FIFA footballer of 2014 Cristiano Ronaldo and his long time girl friend and model Irina Shayk have ended their relationship.According to the New York Post, Shayk's representative is reported to have commented, 'We can confirm that Irina Shayk has ended her relationship with Cristiano Ronaldo.'It is not yet clear what caused the split, with rumours circulating of a rocky relationship between the Russian model and Ronaldo's mother.The agent added: 'She has been very close to his family throughout their relationship. Any negative rumors about Irina and Ronaldo's family are completely false and have not been a factor in the cause of the split. Irina has no comments at the moment.'Shayk refused to attend the 60th birthday party of the Ballon d'Or winner's mother according to a newspaper in Portugal.Rumors have it that Shayk had told Ronaldo that she would not be attending the bash in his native Madeira, and the ensuing row served to end the pair's five-year romance.As a parting dig to Ronaldo, the Russian model has now stopped following him on Twitter.Cristiano wanted to surprise his mum and as he spent Christmas with Irina in Dubai, he had planned to be with his mum on her birthday, but Irina didn't want to go.They had such a big row that he ended up spending New Years Eve alone with his son.'Irina mouthed off about Dolores and Ronaldo took sides with him mum. It was the straw that broke the camel's back because they had hadn't been getting on well in the last few months.'The newspaper also claimed Irina decided to stay in a hotel during one of her recent trips to Madrid because Dolores, who watched proudly as her son won his third Ballon d'Or on Monday, was at Cristiano's luxury home on the exclusive estate La Finca.'Dolores thinks Irina wasn't the right woman for Ronaldo's son,' the source continued. 'She wanted someone who would, in the future, assume the role of mum for Cristiano Jr. That wasn't a priority for Irina.'Along with Dolores, Cristiano is raising four-year-old son Cristiano Jr, whose mother's identity has been fiercely guarded by the sportsman.Irina's dramatic Twitter unfollow came after she failed to support Ronaldo in Zurich on Monday when he was awarded the prestigious FIFA Ballon d'Or award.Cristiano also noticeably failed to mention Irina's name during his acceptance speech.'It's an unforgettable moment in my life to win the Ballon d'Or for the third time,' Ronaldo said after claiming football's most prestigious individual award for the second consecutive year.'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.'According to Irina's PR representative, the model did not attend the annual FIFA Ballon d'Or awards because she simply had other commitments. However, some have raised doubts over the explanation as the awards ceremony had been in the calendar for 12 months in advance. Suspicious fans have also questioned why Irina did not bother to congratulate her estranged boyfriend on any of her social networking accounts either.Rather than congratulating him on his impressive achievement, she instead chose to post pictures of herself on a winter getaway to a mysterious location, where she celebrated her 29th birthday.Judging by the solo photographs, Cristiano was not there to celebrate Irina's big day with her.MailOnline has contacted representatives for Irina Shayk and Cristiano Ronaldo for comment.