As a teen Y2K icon thanks to her role in "Lizzie McGuire", Hilary Duff has shaped and influenced beauty and style for decades. Now in her late 30s, the actor-turned-musician still has a loyal and expanding fanbase, mostly thanks to her work on projects like "A Cinderella Story" and "Younger," as well as her six studio albums. Style-wise, the star could easily write a guidebook on how to balance various fashion styles, as these photos prove that Hillary Duff's style should never be overlooked.