Article continues below advertisementHalsey shared a candid look at the physical toll her ongoing health battle has taken while touring overseas.The singer, 30, posted a mirror selfie to her Instagram Stories on Tuesday, January 28, revealing a painful-looking injury after accidentally burning herself with boiling water from a vocal steamer.Article continues below advertisement'Falling Apart'Source: @iamhalsey/InstagramHalsey shared a candid update after revealing she suffered a recent injury while undergoing chemotherapy for a rare disorder.