I saw it in the cinema between 2-5 years ago I believe.
It was in colour and English.
She retells her life story in the modern day, I think she was being interviewed, covering what I think was over WW2.
There was a plot twist at the end where a key person in the film actually died and she made up the story, it was the man she loved but he actually died of gangrene or something, I think when they were hiding underground during the war. Everyone in the cinema burst into tears.
Atonement
http://www.imdb.com/title/tt0783233