Demi Lovato’s EMOTIONAL Performance of ‘Sober’ after Relapse Nicola 7 years ago US singer Demi Lovato performs at the Rock in Rio Lisboa 2018 music festival in Lisbon, Portugal, on June 24, 2018. ( Photo by Pedro Fiúza/NurPhoto via Getty Images) Demi Lovato’s EMOTIONAL Performance of ‘Sober’ after Relapse Demi Lovato revealed that she has a new outlook on life after breaking down while singing her new song ‘Sober.’