It's one of the greatest mysteries of the 20th century - what happened to Amelia Earhart?

As well as being one of the raddest women to ever live - she was the first woman to fly solo across the Atlantic Ocean - the mystery surrounding her disappearance still lingers today.

Amazingly, new video footage has just emerged of Earhart just before her final flight in 1937. Check it out above.

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Amelia's plane disappeared whilst flying over the Pacific Ocean with navigator Fred Noonan nearly 80 years ago.

The final radio transmission reported low fuel and they could not see Howland Island, in between Australia and Hawaii, where they were headed.

The footage shows Amelia having some photos taken in front of the plane before boarding.

Photo: Biography.com

The film reel was discovered by John Bresnik. His father (also confusingly called John Bresnik) was the filmer behind the footage, as well as being the brother of Earhart's official photographer Albert.

Bresnike left the film footage in a box marked "Amelia Earhart, Burbank Airport, 1937" before he died in 1992.

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The video reel remained untouched for a further 20 years, John told The Independent. "It just always sat it in a plain box on a shelf in his office."

It's thought the footage was shot in March or May 1937, Amelia was last seen on land in New Guinea, July 2.

The film Amelia Earhart's Last Photo Shoot is set to be released later this month along with an 80 page book detailing Amelia's journey before her disappearance.