We have a pretty new poster for this summer’s big musical, Mamma Mia!.

It features the movie’s most youthful star, Amanda Seyfried, who is probably best known from Bill Paxton’s polygamy show Big Love. No, she doesn’t play one of his wives. She’s his daughter, and like everything else about that show she’s brilliant. I’m really looking forward to what she can do in a high-profile film like this. And besides, she actually looks a lot like Meryl Streep, making her the perfect choice to play her daughter in Mamma Mia!. Here’s the poster: