It's been a great year for celebrities to get back on top and show us new sides of their personalities. From breakdowns to bad boyfriends, these stars have had a big year either entering our radar or getting their act together. Tell us — who do you think is the most improved celeb of 2008?
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Who's the Most Improved Celebrity of 2008?
Jessica Alba — Her personality seems so different now that she's a happily married mom!
Joel Madden — He's lookin...
PopSugar — It's been a great year for celebrities to get back on top and show us new sides of their personalities. From breakdowns to bad boyfriends, these stars have had a big year... more info