While the fashion world has been ablaze this week thanks to epic shows from Chanel in Seoul and Louis Vuitton in Cali, our eyes were firmly set on a silk-clad coterie of girls in NYC. Attending Vogue's pre-Met Gala dim sum dinner, Alexa Chung, Olivia Palermo and Emily Ratajkowski all embraced the theme of China: Through the Looking Glass, but in fundamentally different ways. Keep scrollin' to find out how…