Kesha's Prop Knife Got Switched For 'Real Butcher Knife' -- Causing Bloody Injury Onstage!

OMG, how could anyone let this happen?! During Kesha‘s set during the first day of Lollapalooza on Thursday, the singer dazzled fans with an epic performance which featured a prop knife and fake blood — or so they thought! The 37-year-old performed onstage in a crop top, mini skirt, and fishnets as she waved around