American socialite and reality show star Kim Kardashian has laughed off tabloid rumours that she is romancing British soccer star Wayne Bridge, insisting she has "no clue" who he is.Kardashian, who recently split from on-off boyfriend, American footballer Reggie Bush, was immediately linked to Bridge, reports thesun.co.uk.According to reports, she met Bridge in Miami, Florida, and the two have been sending messages to each other ever since. But Kardashian is baffled by the rumours. "Who the hell is Wayne Bridge? LOL (laugh out loud)... Someone please fill me in because I have no clue," she tweeted.