PHOTO: Naomi Watts As Princess Diana In Recently Renamed 'Diana' Biopic

Australian actress Naomi Watts, is playing the late Princess Diana in her upcoming movie, Diana, which until Friday was going by the working title of Caught in Flight. Wearing sapphires and diamonds and sporting Diana's signature short 'do, Watts, 43, was photographed on set in London, according to E! Online.

Diana, directed by Oliver Hirschbiegel, delves into the relationship between Prince William and Prince Harry's mother and heart surgeon Dr. Hasnet Kahn. It was renamed Diana after going by the name Caught in Flight, according to The Hollywood Reporter.

Read more:

Naomi Watts And Robin Wright Strip Down On Australian Beach

'Newsweek' Resurrects Princess Diana To Go Shopping With Kate Middleton

Kate Middleton's Valentine's Day Charity Tour

Kate Middleton Accompanies Queen On Diamond Jubilee Tour In Leicester

Kate Middleton Takes Tea With Queen Elizabeth, Camilla For Inaugural Diamond Jubilee Event

Kate Middleton Flies Solo, William Away In The Falklands

Family Ties: Kate Middleton Related To Jane Austen

Kate Middleton Top International Best Dressed List

Kate Middleton’s Wedding Dress To Be Displayed