X Factor’s Grace Davies quizzed by police after violent brawl over iPad

Grace Davies is reported to have a terrible mind-set backstage During her days at the high classes, the 20-year-ancient X Factor star allegedly “kicked off” after disagreeing with a friend during drama class, according to a new report. An unnamed pal told The Mirror: “Grace may come across nice as pie but she’s always had a bit of temper.  “In the high classes she always wanted to be the…