The Edge-class party won’t be done with the debut of Celebrity Xcel later this year as a sixth ship in the popular class was just ordered by Celebrity Cruises’ parent company Royal Caribbean Group. The agreement,

The long-term fleet expansion plan includes new classes of ships for each of its three brands — Norwegian Cruise Line, Oceania Cruises, and Regent Seven Seas Cruises. Eight next-generation vessels will be built by Italian shipbuilder Fincantieri for delivery over a ten-year period,