"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.

Amanda Seyfried recalled the wild 2007 Mamma Mia! warp party after photos of the cast were leaked.That was 18 years ago, I can't even do the math, she told to the People magazine.Reflecting on

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

Amanda Seyfried gets candid about possibility of Mamma Mia sequel in the future.In a new interview with The Hollywood Reporter, the Dear John actress revealed that the producer Judy Craymer

Amanda Seyfried has made a name for herself in Hollywood from her starring role in 2004's comedy classic "Mean Girls" to now. Revisit her career.

The ‘Long Bright River’ star on her OCD, starring opposite Meryl Streep and how her anxiety informs her characters.

I didn't grow up on the original jukebox musical, but watching Lily James and Amanda Seyfried dance around Greece was exactly the kind of escapism I needed at 19 years old. I've been waiting for Mamma Mia 3 ever since (haven't we all?