SAYONARA SINDI: One of the front-row fixtures at New York Fashion Week won’t be making it to the tents this year. Rena Sindi, party-thrower extraordinaire, has relocated to Singapore with her two daughters. “I think the change and new experience will be great for all of us,” she wrote friends in an e-mail. Sindi and longtime beau, Tico Mugrabi, an art dealer and collector, broke up earlier this year.