Saturday Night Live" back in 2005. While she usually does comedies like "Bridesmaids," or indie flicks like "The Skeleton Twins," she's getting serious attention for her role in the highly anticipated "The Martian." Even though everyone loves Wiig, there are some facts about her that might surprise you.

From her improv start to her rebellious past, here are 12 things you might not have known about Kristen Wiig.

[Source: IMDB, The Hollywood Reporter]