Prior to the Skyscraper singer's gig in Santiago, Chile on Tuesday night she took to her Instagram Stories to share a photo of a view from a window. "I'm so f**king sick I can't get out of bed. I can't do this anymore. This next tour will be my last. I love and thank you guys." Later, Demi also uploaded another post with the caption, "Gonna power thru it for you guys. I'll need help singing so sing loud for me bb's (sic)." While alongside a backstage selfie, the star indicated that she was having voice issues.