Mamma Mia! is a 2008 jukebox musical romantic comedy film directed by Phyllida Lloyd and written by Catherine Johnson. Based on ABBA's songs, the film features an ensemble cast including Christine Baranski, Pierce Brosnan, Dominic Cooper, Colin Firth, Amanda Seyfried, Stellan Skarsgård, Meryl Streep, and Julie Walters. The plot follows a young bride-to-be who invites three men to her wedding, with the possibility of any of them being her father. The film received mixed reviews, with mixed reviews for the cast and campy tone.