Long before Colin Farrell was charming us in romantic indie ****** and gushing about his adorable children, he enjoyed a decade-long reign as Hollywood's resident bad boy in the '00s. With his leather wrist cuffs, pinky rings, and gelled hair that would make NSYNC-era Lance Bass shiver with jealousy, the Irish actor had fans and famous females alike (looking at you, Britney Spears!) in the palm of his very ***y hand. Keep reading to see all of his hottest moments and questionable fashion choices back in the day, and then check out his killer modern-day bod!