What a difference a year makes! Kelly Brook learned how to dress for her shape, Kelly Obsbourne slimmed down and Elisabeth Moss stepped out from behind the shadow of her glamourous Mad Men co-stars, but which celeb had the most dramatic transformation in 2010? Check out all of our nominees in the gallery below and then cast your vote in the poll at the bottom.
Style Awards 2010: Best transformation
Let 2010 be forever known as the year Kelly Osbourne grew up. Sharon and Ozzy's daughter slimmed down, scrubbed up and revealed herself to be a gorgeous style icon in the making.
Style Awards 2010: Best transformation
As any Mad Men fan could tell you, season four was all about Peggy coming into her own. In a case of life immidtating art, Moss also blossomed in 2010.
Style Awards 2010: Best transformation
Until 2010 the young Harry Potter star looked like she had played dress up in the closet of a very stylish old sister. Now their is no doubt that Emma's style is her own.
Style Awards 2010: Best transformation
The former American Idol finalist, and star of Dream Girls, dropped from a size 16 to a 6 this year. The new mom's new shape got her voted best body by a US fitness mag.
Style Awards 2010: Best transformation
We wouldn't go as far as to say 2010 was the year Kelly started using her curves for good instead of evil, but the change in her style was almost that dramatic.