Spotted: Keira Knightley in lace

Benedict Cumberbatch and actress Keira Knightley pose at 'The Imitation Game' Press Conference during the 2014 Toronto International Film Festival at TIFF Bell Lightbox. Pic: Getty Images

Pic: Getty Images

Pic: Getty Images

Keira Knightley attends 'The Imitation Game' Premiere during the 2014 Toronto International Film Festival at Princess of Wales Theatre. Pic: Getty Images

Pic: Getty Images

Pic: Getty Images

Pic: Getty Images

Benedict Cumberbatch, Keira Knightley, Matthew Goode, director Morten Tyldum and Allen Leech attend the 'The Imitation Game' premiere during the 2014 Toronto International Film Festival at Princess of Wales Theatre. Pic: Getty Images