Jamie Dornan and Keira Knightley to unite for a movie? Old picture of the couple surfaces online sparking rumours

An old photograph of Jamie Dornan and his former girlfriend Keira Knightley emerged online sparking rumours that the ex-couple could be planning a movie together.

The Belfast Telegraph has reported that the Fifty Shades Of Grey actor might be reuniting with the Pirates of the Caribbean star for professional reasons.

The 33-year-old Irish actor and Knightley remained friends even after they broke up a decade ago.

Knightley later married James Righton in 2013 and gave birth to a girl Edie in January this year.

Dornan, however, was in a relationship with the 30-year-old Anna Karenina star from 2003 to 2005 and then married English actress and singer-songwriter Amelia Warner in 2013. He has a 3-year-old daughter Dulcie from his marriage.

Meanwhile, Enstarz has claimed that Dornan and Knightley "are in secret talks about an untitled project for the big screen".

However, neither of the actors confirmed if they are working on anything together and Dornan is currently busy filming for the Second World War film titled Antrophoid.

The actor, has an extremely busy schedule ahead, and filming of the sequel of the erotic movie Fifty Shades Darker is being postponed until January next year.