Jennifer Garner @ 'Juno' Premiere

Jennifer Garner walks the red carpet in a strapless navy dress at the world premiere screening Juno during the Toronto International Film Festival 2007 held at the Ryerson Theatre on Saturday.

“My character is this uptight woman who wants to have a baby but she can’t,” Jen has said of her character, who is married to Jason Bateman‘s character. “So she wants to adopt the baby of this really wild 16-year-old, played by a genius Ellen Page, [who conceives the baby] with Michael Cera, who is also just – gosh – incredible. He breaks your heart.”

More pictures inside if Jen doin’ up Juno…