Hilary Duff, Then
In playing the titular role of Lizzie McGuire, Hilary Duff became a bonafide star. McGuire was clumsy and relatable, even as Duff became more glamorous. Before nabbing the series, Duff appeared in titles like Casper Meets Wendy, The Soul Collector, and Chicago Hope. During the series run, she released lots of successful music and appeared in other films and TV shows.