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Jessie Graff has spent the past decade working as a stuntwoman on a host of well-known films. Tonight, she'll attempt to make American Ninja Warrior history by becoming the first woman to ever tackle the last three stages of Mt. Midoriyama on the finale of American Ninja Warrior. Last week, Graff became the first ever woman to complete Stage One of the Las Vegas Finals course. Click through our gallery to learn more about the stuntwoman. (Instagram/jessiegraffpwr)
