How Janet Jackson Ditched 70 Pounds Published May 16, 2006 6:53 PM PDT | Updated June 16, 2019 4:09 AM PDT How on earth did Janet Jackson lose all that weight? TMZ has Janet's diet secrets -- and the proof is in the poundage. And Janet's not the only celeb with radically shifting weight. See the stunning side-by-side photos of celebrity weight changes. See the photos! Share on Facebook Share on X Janet Jackson Paparazzi Photo