Initially built at 154,407 gross tonnage (GT), she joined her sister ship, Freedom of the Seas, as the largest cruise ships and passenger vessels then ever built.
Awalnya dibangun di 154.407 gross tonnage (GT), ia bergabung kapal adiknya, Freedom of the Seas, sebagai kapal pesiar terbesar dan kapal penumpang kemudian pernah dibangun.