Mario Lopez and Eva Longoria exit Hyde Lounge together.

Mario and his beautiful dance partner do Jospeh's and thrill the crowds

First we catch her hanging out with party princess Paris Hilton, then we catch her smoking and drinking like a bandit on the run - and now we've got inside sources reporting that Dancing With The Stars' Mario Lopez and Britney Spears (who needs no introduction) were getting pretty intimate last weekend in Vegas! We ran into Mario yesterday and tried to coax him into going on the record, but he chose to take the fifth instead - hmm...well, we do know she's a sucker for a man who can dance...

Eddie Murphy, Wilmer Valderama, Paris Hilton, Nicky Hilton, Devon Aoki, Bill Maher, Will I. Am, Mario Lopez out and about. Hollywood Social Hour, ya heard?

October, 10 2006: Mario Lopez practices for his first season of Dancing With The Stars at Millenium Dance Studio. Later, our photogs spotted him as he returned home.

Mario Lopez and Marina Smirnoff practice their dance steps at Media Dance Arts Center on October 05, 2006. I really hope they win Dancing With The Stars because they're working so hard! Later, Lopez cheerily heads home.

Mario Lopez & Karina Smirnoff practice their dance steps at Media Dance Arts Center. These two really exhibit a chemistry as they walk to their cars on October 01, 2006. Can't wait to see it play out on the dance floor!