Amy Winehouse believed she was pregnant with fiancé Reg Traviss' baby, according to her father Mitch Winehouse.

Mitch Winehouse revealed his anger towards the documentary, Amy, when he appeared on Australia’s Channel Seven Weekend Sunrise show.

Winehouse hit out at director Asif Kapadia’s for portraying the Rehab singer as sad and alone before her death from alcohol poisoning in 2011, despite her being engaged to British film director Reg Traviss.

When asked what was wrong with the film, he replied: “Everything. We do not want this film, and Amy’s fans do not want this film to represent Amy.

"She was with Reg, they were going to get married. I shouldn't tell you this but she thought she was pregnant at some stage. To give the impression that she was on her own is frankly criminal."

Kapadia has defended himself against Winehouse's claims that he had an agenda. “I think this is a film about her and about what went on around her and the people around her,” he told The Independent Newspaper earlier this year. “We knew that there would be people who would not like certain things.

“Once you read the lyrics, you understand that all the answers are there. There is nothing in the film that isn’t already in the lyrics.” 

Winehouse has declared that he is working on a new documentary on the troubled singer’s life.