42 Celebs And Their Weight Loss Transformation 23. Jordin Sparks By 2015, the 26-year-old singer confirmed that she had lost 50 pounds after eating healthy and working with a personal trainer five days a week. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42