Nothing could humiliate Paris Hilton

Prince humiliated Paris Hilton by challenging her to sing live, it has been reported.The legendary musician, who was performing at Las Vegas' Rio All Suite Hotel and Casino on April 21, invited Paris to join him on stage. As Paris excitedly dashed up to meet the pop superstar, Prince handed her a microphone and allegedly said to the audience, "Lets see if she can really sing!"According to Us Weekly magazine, an angry and humiliated Paris stormed off the stage and left the club minutes later. Paris' representatives have denied the incident occurred, saying: "This item is false."Princes' representative had no comment. Earlier this week, it was revealed that Paris' private contact details had been posted on the internet by rival Shanna Moakler.The 'Dancing with the Stars' contestant - whose husband Travis Barker dated Paris when he briefly split from Shanna last year - put the hotel heiress' personal phone number and email address on her website in a blog entitled "Put This In Your Pipe and Smoke It". Shanna removed the blog on Sunday, but added one which read: "There are numerous reasons why I posted my last blog and I stand behind every single one of them."