Hilton's boyfriend in fight with her ex

Paris Hilton's boyfriend got into a fight with ex-boyfriend Brandon Davis during her birthday party, according to reports.

Doug Reinhardt, who has been dating Hilton for over a year, reportedly got Davis thrown out of Tea Room in Los Angeles because he had had too much to drink and was shouting at him.

One onlooker told the New York Post: "One minute, Paris and Doug were looking all loved up, the next minute, they started bickering. Doug didn't seem happy about all the attention she was getting.

"Paris started to pout and gave him some girly punches in the back before storming off. The next minute, Doug was shouting at Brandon. The music was so loud that we couldn't hear what he was saying, but he then got Brandon thrown out of the door.

"By this point, Paris had had a few drinks and was dancing around with her sister, Nicky. But she and Doug were looking all romantic by the end of the night."