Heiress Nicky Hilton Marries in Vegas LAS VEGAS - Nicky Hilton, the hotel heiress and socialite, has tied the knot with her beau in a late-night ceremony, according to court filings obtained by The Associated Press.    Hilton, 20, married New York money manager Todd Andrew Meister, 33, at the Las Vegas Wedding Chapel early Sunday, according a Clark County marriage license...