Amanda Seyfried casts doubt over third Mamma Mia! movie'Mamma Mia' star Amanda Seyfried doesn't think a third movie will be made because she doesn't feel there is enough ABBA music to make it happen.
Is a third movie in the works.
![Amanda Seyfried casts doubt over third Mamma Mia! movie [Video]](https://video.newsserve.net/300/v/20200622/2006220834-Amanda-Seyfried-casts-doubt-over-third-Mamma-Mia!.jpg)
