Sphere-class cruise ship
The Sphere-class cruise ship is a class of cruise ships currently under construction that will enter service with Princess Cruises in February 2024. They will be the largest ships built for Princess Cruises and the company's first ships powered by liquefied natural gas (LNG). The first name was revealed to be Sun Princess. Design and construction 
The ships have a capacity of about 4,300 passengers and will be powered by LNG with a gross tonnage of about . Steel was cut for the first ship at Fincantieri in September 2021. The second ship is planned to be completed in 2025. It will be the largest ship ever built in Italy, eclipsing MSC Cruises' recently launched flagship MSC Seashore which currently holds the record at 170,412 gross tons. First float took place on March 8th 2023 at the Fincantieri shipyard (Monfalcone, Italy). Ships in class

References 

Cruise ships
Princess Cruises

Cruise ship classes