Battle of the cute cut-outs: Elle Macpherson vs Rooney Mara

09/01/2012 12:19 GMT | Updated 10/03/2012 10:12 GMT

Rooney Mara, star of The Girl with the Dragon Tattoo and blossoming style icon of 2012, wowed us in at least three different dresses last week, and this knitted gown from Michael Kors was a particular highlight.