Posted November 22, 200718 yr With her husband behind bars and her career in crisis, you would think Amy Winehouse would want to keep her nose clean. But as she left her latest gig, the troubled singer seemed to have other ideas. As she walked out to greet waiting fans, the 24-year-old had a suspicious white substance lodged in her nostril. The singer, who has previously admitted to a heroin addiction and once collapsed after a drugs overdose, seemed oblivious to it. But she provoked concern at the gig after she arrived 40 minutes late on stage, rambled incoherently and disappeared off-stage repeatedly. One concert-goer said: "She was drinking on stage but disappeared about three times for up to five minutes each time. http://img.dailymail.co.uk/i/pix/2007/11_03/wineynoseDM2111_468x757.jpg