Jennifer Lawrence stunned in a sexy red dress on Wednesday when she arrived at the Late Show With David Letterman in NYC. She covered up with a sleek black blazer and a pair of big sunglasses, waving to onlookers as she headed inside to tape the show. It's the latest in a series of media appearances for Jennifer, as she's been making the press rounds to promote The Hunger Games: Mockingjay — Part 1. Earlier this week, she turned heads when she hit the red carpet in London, sporting not one but two gorgeous looks for the movie's world premiere. Take a look at Jennifer's red-hot moment in NYC!