Mackenzie was born and raised in a small town in New Jersey, where she began acting at age 5. Appearing on the back of Quaker Oatmeal and Banquet Dinner boxes, Mackenzie was busy being the "All-American girl-next-door". She has also worked with many well-known actors in several appearances on Saturday Night Live, being Kristen Stewart's stunt double in Panic Room, and featured in Riding In Cars With Boys and Double Parked. She graduated Magna Cum Laude from Monmouth University in 2009, majored i ...