Once a pair of 90s teenage heartthrobs, the two actors proved themselves in 1998 when they won Oscars for their original screenplay for the uplifting drama Good Will Hunting, and have been inseparable ever since. You cant see Matt Damon at a premiere for one of his movies without Affleck there goofing around, and vice versa. This Thunder Buddy bromance has spanned three decades and still going strong!