The Vampire Diaries beautiful Kat Graham (Bonnie) attended the Badgley Mischka show during the annual Mercedes-Benz Fashion Week Spring 2015 in New York City. (Sept. 9) Held at Lincoln Center, Kat checked out the new line from the famed designers. She looked beautiful in a form fitting white dress and matching heels Kat even posed for photos backstage with the legendary designers. In addition to Kat, other celebs attending the show included, ‘Victoria Secret’ model, Erin Heatherton, Naomi Campbell, and Katherine Webb to name a few. Take a look at the photos of Kat looking amazing at Badgley Mischka below.