The world's first-ever transsexual beauty pageant made a splash in Las Vegas last weekend at the Riviera Hotel and Casino -- and ET was there! "They're going to get glamour, glitz and the classiest, most beautiful women in the world," pageant host JAHNA STEELE told our own JANN CARL before the event. "The hook, if you will, is that they are all transsexual." The 35 contestants of "The World's Most Beautiful Transsexual Contest" had to show proof of their original gender to qualify. The winner ultimately received $5,000 and a trip to the U.S. Virgin Islands! "People will see beautiful...