Mamma Mia! The Movie Soundtrack is the soundtrack album for the 2008 jukebox musical film Mamma Mia!, based on the 1999 stage musical of the same name. Released on July 8, 2008, by Decca and Polydor Records in the United States and internationally, respectively, it features performances by the film's cast including Meryl Streep, Amanda Seyfried, Pierce Brosnan, Dominic Cooper, Stellan Skarsgård, Colin Firth, Julie Walters, Christine Baranski, Ashley Lilley, and Rachel McDowall.