Producer Judy Craymer said in an interview with Daily Mail that a third installment of 'Mamma Mia!' could be coming.
Mamma Mia! Here We Go Again - Wikipedia
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Mamma Mia! Here We Go Again - Wikipedia
Mamma Mia 3 News, Cast, Premiere Date - Mamma Mia Films Are Meant to Be a Trilogy
Everything 'Mamma Mia' Stars Have Said About Possible 3rd Movie