Keira Knightley isn’t fond of smokers. She was overheard scolding her “Anna Karenina” director, Joe Wright, and co-star Domhnall Gleeson as they went for cigarettes during a Peggy Siegal party for the movie Wednesday night at Monkey Bar. “She told them, ‘That’s bad for you,’ ” said our source. Guests included Olivia Wilde, Donna Karan and actress Cherry Jones. Keira spent most of the night hanging in a booth with her friends, laughing and drinking.