Celebrity Cruises is a cruise line founded in 1988 by the Greek Chandris Group. In 1997 Celebrity Cruises Ltd. merged with Royal Caribbean International to become Royal Caribbean Cruises Ltd. which operates Celebrity Royal Caribbean International Azamara Club Cruises Pullmantur Cruises and CDF Croisieres de France. The signature X displayed on the funnel of Celebrity ships is the Greek letter chi for Chandris. The company has its headquarters in Miami Florida.