Mamma Mia! (promoted as Mamma Mia! The Movie) is a 2008 British/American/Swedish musical/romantic comedy film adapted from the 1999 West End/2001 Broadway musical of the same name, based on the songs of successful pop group ABBA, with additional music composed by ABBA member Benny Andersson. Wikipedia
Donna: Sky! Come meet my backup girls Rosie, Tanya: Backup girls my ass!