The clubs were jumping last night - wait'll you see this clip! After catching the ever-pleasant Lionel Richie at Mr. Chow's, we hit the strip in a big way: we spotted Kevin Federline (again?), Carrie Underwood, Sixth Sense director M. Night Shyamalan , and Oscar winner Kevin Spacey! But the night's most surprising sighting had to go to Brett Ratner - or should we say Brett Ratner and Natalie Walker?