While some celebs might want to be waited on hand and foot on their birthdays, Nina opted for a different approach: she cooked up a storm! Nina and her guests, including castmates Ian Somerhalder, Steven R. McQueen, Candice Accola, Zach Roerig, andJoseph Morgan, went to Le Cordon Bleu College of Culinary Arts in Atlanta, where chefs taught them to prepare their own yummy food. Source