Mamma Mia! 3 (2025) – A Musical Reunion Underway
The joyous ABBA-fueled world of Mamma Mia! may very well welcome a third cinematic installment. Though not yet filming, the musical franchise is actively moving forward—and the #1 question on fans’ lips is: Will this dancing and singing extravaganza return to the big screen?
What’s Confirmed So Far
It’s officially in development: Amanda Seyfried (Sophie Sheridan) affirmed, “Mamma Mia! 3 is happening,” adding that the story will unfold in Greece, and she hopes production can start by summer 2026—schedule permitting. comingsoon.netOutLoud! Culture
Producer and cast are on board: Judy Craymer, creator and driving force behind the franchise, confirmed a completed script and stressed her belief that “it will happen.” ELLEPeople.comCapital
Longtime cast members supportive:
Pierce Brosnan has voiced enthusiastic support, saying, “I think everyone is ready for Mamma Mia 3.” People.com
Christine Baranski revealed she’s been briefed on the narrative: “We’ll all be on some fabulous Greek or Croatian island having a blast.” People.comEW.com
Judy Craymer even hinted at casting pop star Sabrina Carpenter, possibly as a “goddess” or relative resembling Donna Sheridan. Amanda Seyfried floated the idea that Carpenter could play Sophie’s daughter. People.comThe Sun
Meryl Streep may return: Despite her character Donna’s death in the second film, there’s industry-level interest from both producer and cast to bring her back in a fitting storyline. People.comCapitalUs MagazineELLE
Speculated Timing & Development
While concrete timelines remain tentative:
Amanda Seyfried hopes for summer 2026 production, aligning with her packed schedule. comingsoon.netBrit + CoHindustan Times
If production begins then, industry projections suggest a possible release in late 2027 to 2028. Brit + Co
The Story & Cast to Expect
Returning cast: Key stars Amanda Seyfried (Sophie), Pierce Brosnan (Sam), Christine Baranski (Tanya), Colin Firth (Harry), Stellan Skarsgård (Bill), Julie Walters (Rosie), and potentially Meryl Streep (Donna) may reprise their roles. ELLECapitalPeople.com+1People.com+1
New faces: Sabrina Carpenter is rumored to join, perhaps portraying Sophie’s daughter or a Donna-like figure. People.comThe Sun
Plot premise: Though specifics remain under wraps, Christine Baranski’s hint about an island getaway—Greek or Croatian—suggests a sunny, music-filled reunion in classic Mamma Mia! style.
Summary Table
Feature
Details
Status
In development; script complete
Seyfried’s Update
“Happening”; Greek setting; filming ideally summer 2026
Producer’s Note
Judy Craymer confirms “will happen”
Cast
Returning ensemble expected; Sabrina Carpenter and Meryl Streep (potential cameo) possible
Setting Speculation
Likely Greek or Croatian island
Projected Timeline
Filming summer 2026 → possible release by late 2027–2028
Final Thoughts
Mamma Mia! 3 is swiftly taking shape—not just as another sequel, but as a heartfelt continuation of the beloved franchise. With fan-favorite characters returning, a vivid island setting, and the infectious energy of ABBA music expected to return, it looks like we’re going to Greece again—and the island will be dancing once more.
Let me know if you’d like a shorter teaser blurb for social media, a hypothetical plot breakdown, or cast spotlight—happy to help!