On Dec. 13, the singer Lizzo posted on her Instagram story that she had done a 10-day, smoothie-based detox. She uploaded videos of her drinking “beauty water” and downing vegan protein bars in a diet overseen by weight-loss expert J.J. Smith. She also posted day-by-day images of her body, including https://www.buzzfeednews.com/article/laurenstrapagiel/lizzo-detox-adele-weight-loss-fat-celebs-body-positivity