Kate Mara, Jamie Bell expecting first child together

Los Angeles: Actor Kate Mara and husband Jamie Bell are expecting their first child together.

The actor shared the news on Instagram with a picture. In the photograph Mara, 35, showed off her bump in a white and silver dress as she stepped out for Elton John‘s annual AIDS Foundation Oscars Party. 

"Went on a date with our bun in the oven," she captioned her photo. The baby will be first for Mara while Bell shares a son with ex-wife Evan Rachel Wood. Mara and Bell started dating in 2015. The former "Fantastic Four" co-stars announced in July on social media that they had tied the knot.