Cardi B just received the seal of approval from Vogue editor-in-chief Anna Wintour. In a new "Go Ask Anna" video, Wintour said that the Grammy-winning rapper's fashion at this year's Met Gala caught her attention. Wintour said, "She looked unbelievable." Wintour went on to say, "I had not seen her look as chic or as original beforehand." Cardi wore a dramatic burgundy gown designed by Thom Browne, CNN reports.