Mary-Kate & Ashley Have Always Had a Spotlight, but Which Era Has Been Their Best?

Mary-Kate & Ashley are America's original sweethearts, having made their start in Hollywood together before they could even walk. Now, the 33-year-old twins are big in the fashion world and live fairly private lives -- they're not even on social media! It's a long way from their double trouble straight-to-video movies of the early 2000s, that's for sure.