While the world anxiously waits for the Jolie-Pitt twins to arrive, here's a sneak peek at their big sister, Shiloh, 2, making her silver screen debut in daddy Brad's movie, The Curious Case of Benjamin Button [1] which will be in theaters at Christmas. Us [2] is reporting that the fair haired babe is the child cradled by her father's character as they watch a yellow balloon float away [3] in this movie trailer.