Debbie Gibson has many great stories to tell. The iconic singer, who guest co-hosted ET on Thursday, reminisced about «hitting the club» at only 16 years old, gaining worldwide fame and the possibility of seeing her life story hit the big screen.«I've been approached to do a biopic of my life,» Gibson told ET's Kevin Frazier, who then asked who she would want to play her in a movie.«Ooh, that's a good question.