sentences:  In 2000, Cassidy wrote and appeared in the Las Vegas show "At the Copa" with Sheena Easton, as both the young and old versions of the lead character, Johnny Flamingo.His 2001 album "Then and Now" went platinum internationally and returned Cassidy to the top five of the UK album charts for the first time since 1974.In 2005, Cassidy played the manager of Aaron Carter's character in the film "Popstar".