UPDATE: September 14, 2011: According to her family, no illegal substances were found in Winehouse’s body after the toxicology report. At just 27 years of age, Amy Winehouse, the soulful singer/songwriter who brought you such hits as “Rehab” and “You Know I’m No Good”, was found dead this morning of a (not yet confirmed) drug overdose at her home in London. For a long while, Winehouse had noticeably been fighting an intense battle with hard…