Speculation about a third Mamma Mia! movie has been ongoing for years, and the ending of the second movie left viewers wanting more. The cast, including Meryl Streep and Amanda Seyfried ...

Amanda Seyfried and Dominic Cooper reunite as Sophie and Sky in the new trailer for Mamma Mia 2: Here We Go Again ... we know who the father is." "You're pregnant?" Sky asks.