Most Infamous Moment: Stewart was dumped by long time beau and Twilight co-star Robert Pattinson after paparazzi photos revealed that she'd been having an affair with her Snow White & The Hunstman director, 41-year-old married father, Rupert Sanders.

Before Us Weekly ran the photos of her making out with a married man in her Mini Cooper, Stewart was already tabloid fodder; the paparazzi had caught her flipping the bird and smoking pot on numerous occasions.