Actress Keira Knightley made fer first public appearance since the news of her pregnancy broke, and she chose a loose dress to conceal her baby bump.

Knightley, who is married to musician James Righton, posed for photographs at the the 2015 AFI Awards Luncheon held at the Four Seasons Hotel at Beverly Hills Friday afternoon. She was wearing a loose-fitting black and white dress with a sheer neckline for the event, reports eonline.com.

The actress was joined at the luncheon by fellow actress Renee Russo. Knightley's film, "The Imitation Game" and Russo's "Nightcrawler" were both honoured for being part of AFI's films of the year.

Knightley, who is also celebrating a Screen Actors Guild Award nomination and a Golden Globe nod for her role in "The Imitation Game", isn't the only cast member of the film expecting a baby. Benedict Cumberbatch is also going to become a father soon.