Amy Winehouse on what would have been her 40th birthday.The 41-year-old first met the singer in a pub back in 2005, and the two remained in an on-and-off relationship for six years. They married in 2007 and divorced two years later – shortly after which, the singer died of alcohol poisoning aged 27.Now, to mark what would have been Winehouse’s 40th birthday today (September 14), Fielder-Civil appeared on ITV daytime show Good Morning Britain to open up about their tumultuous relationship and face questions about how his previous struggle with addiction played a role in the lead up to the musician’s death.Describing himself as a “20-year-old drug addict” at the time he was in the relationship, he was also asked what he would change if he was allowed the chance to do things over again.“Almost everything,” he began.