"That wrap party specifically, I was drunk. Everybody was," the actress tells PEOPLE What happens at a Mamma Mia! wrap party doesn’t always stay at the wrap party. The 2007 Mamma Mia! wrap party became legendary,

At the ninth annual Love Rocks NYC benefit concert, the singer took time to pose with her onscreen granddaughter.

Thankfully, Seyfried did still have a chance to show off her stunning singing chops in a new upcoming original musical film directed by Mona Fastvold from a script she co-wrote with husband and partner on “The Brutalist,” Brady Corbet. Set in colonial times, “Ann Lee” follows the story of the Shakers founder and leader of the same name.

Mamma mia, here I go again, my, my, how can I resist you? Mamma mia, does it show again? My, my, just how much I've missed you?

"Show me the money!" the 'Long Bright River' actress joked, before explaining the scheduling logistics behind the movie musical's delay

Amanda Seyfried explains why Mamma Mia! 3 is taking so long, sharing insights on delays, Universal’s priorities, and the cast’s eagerness to return.