Keira Knightley is pregnant and expecting first child with Klaxons singer James Righton

Keira Knightley has far more than the awards season to look forward to - she is expecting her first child with husband James Righton, according to reports.

The 29-year-old is more than three months pregnant, according to New York Post's gossip column, Page Six.

She married Klaxons singer Righton in a small ceremony in Provence, France in spring 2013.

Pregnancy rumours first surfaced in November when Star magazine reported the couple were expecting.

A source said: "Keira and her stylist have been putting together looks that hide her growing bump."

It was announced this week the British star has been nominated as Best Supporting Actress from the Screen Actors Guild and the Golden Globes for her role as codebreaker Joan Clarke opposite Benedict Cumberbatch in wartime drama The Imitation Game.

Knightley once said she did not plan to give up her acting career if she became a mother.

She told Vogue in 2013: "Would I want to be a stay-at-home mother? No. On the other hand, you should be allowed to do that, as should men, without being sneered at."