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She took major inspiration from an American Girl.
Did you love your American Girl doll? Maybe not as much as Larson — birth name: Brianne Sidonie Desaulniers — loved hers. She told Jimmy Fallon that she adopted the last name Larson because of pioneer girl Kirsten Larson. She wanted the doll to be part of her family.
For what it's worth, she told Glamour in 2014 that Larson is a "family name from my great-grandmother."
She starred on a WB sitcom.
Larson plays one of Bob Saget's daughters in the short-lived sitcom Raising Dad, which began airing in 2001. The show actually features an awesome cast of now-more famous women including Larson, Kat Dennings, and Meagan Good.
She was a pop star in the making.
Had she taken a different path, Larson might be headed for the Grammys rather than the Oscars. She released a pop album in 2005 called Finally Out of P.E. The video for the song "She Said" features a Napoleon Dynamite reference. 2005! Whatta time!
According to a recent Variety profile, Larson very much fell into the music industry after recording the song "Invisible Girl." She said: "I had no aspirations for that, but within seconds, I had a record deal. Tommy Mottola signed me, and I was being flown all over the U.S. to write songs for my album."