Join the celebration, sing and dance, and discover how it all began! Ten years after Mamma Mia! The Movie premiered, you're invited back to the magical Greek island of Kalokairi in an all-new musical sequel based on the songs of ABBA. Sophie is now pregnant, and like her mother Donna, she'll need to take risks. The film's original cast returns, with new additions including Lily James as a young Donna, Andy Garcia and Oscar winner Cher.

20 year old Sophie is preparing to marry at her mother's hotel on a Greek island. She has a carefree life, a loving fiancee, and great friends. She is only missing one thing: a father. By reading her mother's diary she discovers that she has three possible fathers. Sophie secretly invites all three men to the wedding in a desperate bid to discover which of them is her father. But not all goes according to plan. Now, old loves are re-kindled, new loves...