Kristen Stewart wows as Princess Diana in first official teaser trailer for the biopic Spencer

Kristen Stewart - who is best known for her role as Bella Swann in the Twilight movies - is set to play the "People's Princess" in a new film titled Spencer.

And now we've just had our first look at the film!

Neon has just released a sweeping and dramatic official teaser trailer, which is set to a haunting children's choir rendition of Lou Reed's 'Perfect Day.'

Spencer will reportedly focus on the breakdown of Diana's marriage to Prince Charles, centring on a three-day period in the early '90s during one of the princess's final Christmas holidays at Sandringham.

The movie will also highlight the love she had for her sons, Prince William and Prince Harry.

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Charles and Diana separated in 1992 and divorced four years later in what was an unprecedented move in modern times for an heir to the British throne. Diana died in a Paris car crash in 1997 at the age of 36.

The biopic will premiere at the Venice Film Festival and is due to hits screens on November 5.