GOOD Charlotte frontman Benji Madden is mad as hell at “American Idol ” winner Kelly Clarkson for poking fun at his girlfriend, Hilary Duff (above),in a recent interview. The miffed mall-punker writes on his Web site, “It does make me laugh when someone like Kelly Clarkson disses someone like Hilary Duff, ’cause lets not forget,Kelly …you were a ‘contestant ‘ on a TV show.. Hilary made herself. OK,OK,I am a little partial to Hilary because I know what a great person she is and how talented she is firsthand.I just think it is funny how us little humans lose perspective.” You tell her,Benji!