candidate: " Call Me Maybe " was performed by Jepsen at the " 2012 Billboard Music Awards " on May 20 , 2012 , the " 2012 MuchMusic Video Awards " on June 17 , 2012 , the " 2012 Teen Choice Awards " on July 22 , 2012 , the " 2012 MTV Europe Music Awards " on November 11 , 2012 , and several others .