Mary-Kate Olsen looked put together and pretty in white and a little more mussed up in a short flowered number at last night's NYC premiere of The Wackness. Can't blame her for the unbrushed hair when we can clearly see she just slipped out of one dress and into another. She missed the LA Film Festival premiere of the movie on Tuesday, but was happy to pose alongside her costars Olivia Thirlby and Josh Peck. While we anxiously await this one on the big screen around the country, I can't wait to see Mary-Kate on one of my new favorite shows Samantha Who? next season. Here's to more acting and fewer negative rumors from this half of the twins from here on out.

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Images include: Olivia Thirlby, Mary-Kate Olsen, Beth Ostrosky, Josh Peck, Jonathan Levine, John Corbett, Daniela Lavender