On Nov. 27, 1984, Scarlett Johansson was born in New York City. Twenty-seven years later, she's one of the hottest actresses in Hollywood, known for her work in well-received indies ('Ghost World,' 'Lost in Translation') as well as major blockbusters ('Iron Man 2'). She's been Woody Allen's muse three times, worked with Christopher Nolan and Michael Bay, and even won a Tony Award. Johansson also saw her marriage to Ryan Reynolds fizzle out -- though not before some unfortunate photo leaks. In short, she's had the Hollywood career of an actress twice her age, all before today. What's her finest onscreen moment?