Top 20 Most Insane Celebrity Weight Loss TransformationsBy Tammy Salt / August 21, 2019 11. Jimmy Kimmel prevention.com Most people don’t know this but Jimmy Kimmel does intermittent fasting. The show host follows the 5:2 method which means that in two days per week, he will eat less than 500 calories. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20