undefined the controversial documentary chronicling the life and death of ate singer, Amy Winehouse, had the most successful debut in had a successful debut over the weekend.

Directed by Asif Kapadia, The film which had earlier is currently the second biggest documentary opening ever in Britain.

Bringing in $800,000, 'Amy' is also the biggest opening for a homegrown doc in Britain, taking over from the 2004 hit .

The documentary which has received positive reviews,  has been undefined by the late singer's father, undefined