[4] In August 2013, it was announced that Grand Mistral would be transferred to Costa Cruises in November, and her intended South American itineraries from Santos, Brazil would be cancelled.

[9][10][11] Costa neoRiviera entered dry dock at the San Giorgio del Porto shipyard in Genoa on 30 October 2019 for a $55 million transformation to integrate her into the AIDA fleet.

[13] The ship left for her maiden season in South Africa, offering 14-day cruises from Cape Town.

[17][18] Ambassador Cruise Line renamed the ship Ambition and in April 2022 sent her to Bar, Montenegro to await an extensive refit prior to commencing service in March 2023.

[18][19][20] In September 2022, the ship began a six-month charter to the Scottish Government to provide accommodation on the River Clyde in Glasgow for refugees from the Russian invasion of Ukraine, delaying commencement of her cruise program.

[23] Ambition was upgraded to comply with the International Maritime Organization's Tier III emission standards, which required a reduction in the ship's production of nitrogen oxide.

[23] Former sailing champion and double Olympic Gold medalist Shirley Robertson christened and was named godmother of the ship.