Getty Images has acquired the Princess Diana Memorial Trust Archive including images taken by photographer and close friend of the princess Jayne Fincher.
The collection, which is to be renamed the Princess Diana Archive is to be kept at the Getty Images' Hulton Archive.
Fincher, daughter of legendary Fleet Street photographer Terry Fincher whose pictures are also featured in the archive, struck up her relationship with the princess attended major press calls during the 1980s and 90s.
Fincher said: "The imagery encapsulates 17 years of my working life and the collection is something that is extremely special to me.
"Furthermore, I feel very confident that the Hulton Archive's expertise will enable the collection to be preserved, conserved and made accessible to a worldwide audience."
The archive contains over 20,000 black and white and colour images.