Ashley Olsen, Mary-Kate Olsen
>> As 2011 draws to a close, here's a look back at some of the most memorable ensembles of the year. Among the hits? Giovanna Battaglia in vintage Versace, Amanda Brookes in sparkling Derek Lam, Karlie Kloss in super-sexy Anthony Vaccarello — and so many more. From supermodels to street style stars, from Proenza to Pucci — see who made the cut and who wore what, here in our 2011 roundup.