January 10, 2015 - 12:09 GMT hellomagazine.com Keira Knightley concealed her growing baby bump under a monochrome floral dress as she stepped out at an awards evening in Hollywood Keira Knightley concealed her growing baby bump in a chic floral dress on Friday night. The Bend It Like Beckham actress, who announced she was expecting her first child with husband James Righton in December, stepped out at AFI Awards in Hollywood in a loose-fitting monochrome number. The mum-to-be beamed as she walked the red carpet at the Four Seasons hotel to celebrate her film The Imitation Game being honoured by the AFI. Keira's radiant smile was also no doubt down to her recent BAFTA nomintaion. The London-born star is up for the title of Best Supporting Actress for her role in historical thriller The Imitation Game, which is also nominated for Best British Film. Also vying for the award are Emma Stone for Birdman, Imelda Staunton for Pride, Patricia Arquette for Boyhood and Rene Russo for Nightcrawler. Keira's role has also landed her a Golden Globe nomination. The star is in LA for the glittering ceremony which takes place on Sunday night.