Kesha herself took to the stage at around 6 p.m., and she impressed fans with an energetic performance that included her flaunting a butcher’s knife during her song “Backstabber.” ...

The pop star revealed the knife as she performed her song "Backstabber" at the Chicago music festival. Entertainment Weekly's Oscars expert, 'RuPaul's Drag Race' beat reporter, host of 'Quick Drag ...