London: French businessman Jean-Bernard Fernandez-Versini allegedly got involved in a fight with a heckler after he called his estranged wife Cheryl a "b***h". Jean-Bernard's 18-month relationship with the 32-year-old popstar came to an end earlier this year, but that did not stop him from becoming embroiled in an angry confrontation with a man near the Beat London club in Mayfair on Friday, reports femalefirst.co.uk. A source told The Sun newspaper: "Jean-Bernard is a proud man and although his marriage is technically over, he was offended by the taunts. The man was calling Cheryl a b***h and was using very rude words." He is also an ex-boxer and the physical confrontation is said to have left the man needing hospital treatment for his cuts and bruises. "Jean-Bernard asked him to stop but he carried on. The man started swinging punches but Jean-Bernard used to be a boxer and was able to defend himself," the insider claimed. Since Jean-Bernard and Cheryl went their separate ways earlier this year, the British star has started dating One Direction star Liam Payne.