The Celebrity Constellation is a Celebrity Cruises ship which was built at the Chantiers de l'Atlantique shipyard in St. Nazaire, France. Her three Millennium class sister ships include the Celebrity Summit, Infinity, and Millennium.

She registers 91 000 gross tonnage and can carry up to 2 170 passengers at double occupancy. She's scheduled to undergo a dry dock in May 2020. And if you are able to afford it, the Celebrity Constellation now has the Edge, which is the ultimate in accommodation. From this year (2018) Celebrity Constellation will feature one Infinite Balcony, you simply touch a button and your entire living space becomes the balcony, letting you walk right out to the water's edge.