 In June 2002, "Crown Princess" was transferred to P&O Princess' new start-up brand, A'Rosa Cruises, to be the only cruise ship in A'Rosa's fleet to help launch the brand.P&O Princess Cruises merged with Carnival Corporation on April 17, 2003, to form the world's largest cruise operating company in a deal worth US$5.4 billion.As a result of the merger, Carnival Corporation and P&O Princess were integrated to form Carnival Corporation & plc, with a portfolio of eleven cruise ship brands.