And it seems that Kim Kardashian is a good sport about the nickname, which comes from a series of children's books - as she Tweeted the cover of 'Fancy Nancy and the Wedding of the Century' to Khloe and Kourtney with the caption: 'Did you write this?' as she jetted out of Miami.
The book series by Jane O'Connor follows the travails of Nancy, 'a young girl with a larger than life personality, who adores all things fancy.
'She always dresses extravagantly, wearing boas, tutus, ruby slippers, fairy wings, and fuzzy slippers. Nancy loves using big fancy words such as "iridescent", "ecstatic", and "extraordinary" and anything in French.