Scarlett Johansson is reportedly pregnant with her first child.

According to US reports, the actress is expecting her first baby with fiancé Romain Dauriac.

Multiple sources confirmed the news to E! Online.

Johansson and French journalist Dauriac became engaged six months ago, after going public with their relationship in November 2012.

The Her star spoke about starting a family in an interview with the Daily Mail in December.

She revealed:  "At some point it is something I look forward to. I am fortunate in that I have had a long career – 20 years – that has been very diverse.

"So, you know, picking a time to plan a family feels like something that I could do and not feel as though I was missing out."

Johansson was previously married to actor Ryan Reynolds. They divorced in July 2011 after three years of marriage.

Johansson and Dauriac reportedly expecting first child