Costa Allegra, formerly Annie Johnson, was a cruise ship owned by the Italy-based Costa Cruises, one of many subsidiaries owned by Costa's parent company Carnival Corporation. She was built in 1969 by the Wärtsilä Turku Shipyard in Turku, Finland, as a container ship for the Johnson Line services of Sweden-based Rederi AB Nordstjernan. In 1986 she was sold to with the intention of being converted into a cruise ship as Regent Moon, but she was laid up instead. In 1988 she was sold to Compania Naviera Panalexandra and renamed Alexandra but continued laid up. In 1990, the ship was acquired by Costa Cruises and rebuilt into a cruise ship at the shipyard in Genoa, Italy. She entered service as Costa Allegra in 1992.