Paris: 'I'm not cheating on Benji'

Paris Hilton has celebrated her eight-month anniversary with rocker Benji Madden by phoning home from London to clear up royal romantic rumours.

The socialite called in to pal Ryan Seacrest's radio show in Los Angeles yesterday morning to address British tabloid reports she has been caught flirting with British Princes William and Harry after meeting the royal brothers at the London Hilton.