NEW YORK, Sept 14 (Reuters) - U.S. Open champion and overnight star Emma Raducanu"s New York victory lap included a stroll across the Met Gala red carpet on Monday night, where the Briton took her place among sport, film and fashion"s brightest stars. Twenty-three-time Grand Slam winner Serena Williams and sister Venus, four-time major champion Naomi Osaka, former world number one Maria Sharapova and Raducanu"s Flushing Meadows final opponent Leylah Fernandez were among the tennis players serving up looks at the Metropolitan Museum of Art steps. Raducanu attended the event dressed in Chanel, in her latest A-List appearance as she hops from interview to interview since her unprecedented run from qualifier to U.S. Open champion rocketed her to the very top of British tennis. read more The 18-year-old and tennis cohorts were joined by other sport luminaries including Allyson Felix, the most decorated woman in Olympic track and field history, nine-time NBA All-Star Russell Westbrook and two-time soccer World Cup champion Megan Rapinoe.