By Jennifer Davis
Updated Jul 04, 2013 @ 2:00 pm
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Rose Byrne, DKNY
Credit: Courtesy Photo (2)

Rose Byrne attended DKNY’s #DKKNYARTWORKS Charity Auction in Montauk, New York to raise money for Free Arts NYC, an organization that provides under-served children and families with educational arts and mentoring programs wearing a summery eyelet dress by the brand. The 100% cotton design is ideal for hot summer nights, and while the sleeveless drop-waist dress is sold out in white, you can still snag it in black. Shop the style for $315 at dkny.com.

Plus, see Rose's best looks ever.