Question: who turns out to be the father in mama mia

title: Mamma Mia! (film)
text: Sophie and Donna walk down the aisle as the band plays . Donna tells Sophie and all gathered that her father could be any of the three men . Sam reveals that while he left Donna to get married , he did not go through with it , but returned to find Donna with another man . The men do not want paternity confirmed , each agreeing to be one - third of a father for Sophie . She tells Sky they should postpone their wedding and travel the world . Sam proposes to Donna . She accepts and they are married . At the reception , Sam sings to Donna and Rosie makes a play for Bill . The couples proclaim their love . Sophie and Sky sail away . 

Answer: answer: Donna tells Sophie and all gathered that her father could be any of the three men. The men do not want paternity confirmed, each agreeing to be one third of a father for Sophie.