Could Hilary Duff be the only Disney star that hasn't gone totally crazy? Miley, Raven, Lindsay, they've all a little bit lost their minds. Not Hilary Duff, though. Since her Lizzie McGuire Days, she's stayed grounded and humble. Disney ChannelFrom Lizzie McGuire:Disney ChannelTo A Cinderella Story:BustleTo her current show Younger:PeopleDuff has proven time and time again that she is a rare breed: a successful child-star-turned adult. These are just some of the reasons why she's our favorite...1. She's a great mom. In 2010, Duff married NHL star Mike Comrie, and two years later they welcomed a