The 2019 Billboard Music Awards were held at the MGM Garden Arena in Las Vegas on May the 1st, hosted by American singer, songwriter, and television personality, Kelly Clarkson. See a complete list of all nominees, winners, speeches and some reactions from the award event. ARTIST AWARDS: COMPLETE LISTTop Artist:Cardi BDrake — WINNERAriana GrandePost MaloneTravis…