Britney Spears has laughed off rumors she is dating her bodyguard. Romance speculation started after the pair was snapped enjoying a vacation on a Mexican beach. But the singer’s spokesperson Larry Rudolph denied the story, saying they are all lies. "There is no truth to this at all," Contacmusic.com quoted him, as saying. He adds, "She is 100 per cent single." In other news, Britney’s father will retain his control over the pop star’s conservatorship until 2009.