Miley Cyrus was not in the best of moods during her nudie late-night soak last night. The 28-year-old superstar singer, usually fighting fit in her body show-offs, made Monday night a revealing affair on multiple fronts, posting for her 126 million Instagram followers and straight from her bathtub. Miley, who threw in her signature sense of humor, showcased a minor injury to her knee, with the "Prisoner" hit-maker then getting witty as she made her caption rhyme. Check it out below.