Celestyal Crystal is a cruise ship owned by the Cyprus-based Celestyal Cruises, formerly Louis Cruise Lines. In April 2012 she was named Louis Olympia after operating as the Thomson Destiny for Thomson Cruises.[5] She was built in 1982 at Wärtsilä Hietalahti shipyard in Helsinki, Finland for Royal Caribbean Cruise Lines as MS Song of America. Between 1999 and 2004 she sailed for Sun Cruises as MS Sunbird.[1] She was previously under charter to the United Kingdom-based Thomson Cruises until April 2012 as the MS Thomson Destiny. She has since sailed for Louis Cruises as MS Louis Olympia, and as MS Celestyal Olympia since 2014.