By Bonnie Stiernberg Ever since she died of alcohol poisoning at age 27 back in 2011, there have been rumors about a possible Amy Winehouse biopic being in the works. Several never got off the ground, but according to Deadline, a film about the late singer will finally see the light of day. The movie, called Back to Black, will be directed by Sam Taylor-Johnson (who previously worked on films like Nowhere Boy and Fifty Shades of Grey) and written by Matt Greenhalgh. Studiocanal, Alison Owen, Debra Hayward and Tracey Seaward are attached to produce. There’s no word yet on who will be playing Wi…