Pop sensation Kesha has opened up about her stay in rehab. The Tik Tok hitmaker says she sought treatment for an eating disorder - nothing more, nothing less. “Let’s just get the elephant out of the room,” she told Teen Vogue. “My eating disorder is something I’ve been struggling with for a while. People will make up stories, but I went to rehab for an eating disorder–nothing more and nothing less. “Making my last record, Warrior, was a pretty miserable process, and it wore my spirit down.