Jennifer Garner has a way of making even the simplest outfit feel elevated, and her latest look proves you don’t need a designer price tag to get there. The actress stepped out in a little black dress that felt equal parts timeless and practical — and get this: You can recreate the same regal look for just $30. The Last Thing He Told Me actress was spotted in New York City on May 11 wearing a little black dress that wasn’t quite like the rest. D…