Amanda Seyfried wants to cast Sabrina Carpenter in Mamma Mia 3 — and Us Weekly is fully on board. “Let’s go, baby,” Seyfried, 38, recently told ABC News about the possibility of another musical movie.

Carpenter recently performed a cover of ABBA's 'Mamma Mia' during a concert on her Short n' Sweet Tour With the Mamma Mia series potentially embarking on a third film, Amanda Seyfried is hearing out pitches for who could play her character's daughter.