A former luxury liner the Rising Star was used to fairy people to all of the twelve colonies, allied home worlds and outposts. Rising Star survived the Cylon onslaught because she was in stransit between worlds when the Cylon attack began and is now one of the primary food/recreation vessels in the Rag-Tag fleet.
Note
The Rising Star is mentioned in the new Battlestar Galactica, in the episode 33.