Mary-Kate Olsen attended the grand openingย ofย “Otarian: The Planet’s Most Sustainable Restaurant.”ย ย Theย restaurant is aย vegetarian fast food chain. The Olsen twins launched their career in acting when they were just little girls. The two have gone to have a successful fashion empire with their lines, The Row and Elizabeth and James. Mary-Kate ‘s latest film project “Beastley” is an edgy teen romance, fantasy also starring Vanessa Hudgens and Neil Patrick Harris. The movie is due out in July.