Although she's been acting for over a decade, it wasn't until 2003 that Scarlett Johansson burst onto the scene with a star-making performance in 'Lost in Translation'. Scarlett's reputation for hooking up with some of the hottest men in Hollywood - young (Josh Hartnett) and old (Benicio Del Toro) - precedes her, and she's made it clear on several occasions that she doesn't entirely believe in the concept of monogamy.