Model Joan Smalls looks ready for spring in a sheer white top and kaleidoscope print pants, all by designer Prabal Gurung.

On Tuesday night Smalls joined Solange Knowles, designer Rachel Roy, models Chanel Iman and Karlie Kloss at Runway To Win a fundraising event co-hosted by Anna Wintour and Scarlett Johansson. Proceeds from Runway To Win go towards President Barack Obama’s 2012 re-election bid.

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