Things have changed, haven't they? Once upon a time, there were certain Hollywood leading ladies that were known to be dubbed America's Sweethearts. They were your Julia Roberts, your Halle Berrys, your Sandra Bullocks, your Jennifer Anistons... And now, as we continue to welcome a new generation of starlets, we have started to wonder who will take on the throne of being named America's Sweetheart for the younger generation. While there's definitely a number of famous ladies who seem to hold up to the title, there also doesn't seem to be just one star who fits the bill. Here are 10 female stars who we think are in the running to become America's new-age Sweetheart... 1....