"I originally thought I could keep this private but it's come time I share what I've been going through," he wrote. Cody Simpson performs during day one of the 2026 Australian Open at Melbourne Park on Jan. 18, 2026, in Melbourne, Australia. Hannah Peters/Getty Images Trending on Billboard Cody Simpson has hit an unexpected roadblock as he promotes new music and closes in on finishing his next album. The Australian singer revealed on Monday (May 11) that he suffered “a serious hemorrhage” on one of his vocal cords, causing him to seek medical treatment and go on strict vocal rest to avoid further injury while still continuing to work on his next batch of songs.…