Huma Abedin looks effortlessly chic as she attends Jeff Bezos and Lauren Sanchez's housewarming party in New York City without fiancé Alex Soros

Huma was among the Hollywood heavyweights such as Karlie Kloss , 31, Nicki Hilton, 40, and Jay-Z, 54, were also invited the event at the Amazon CEO's luxe Madison Square Park complex.