18 Most Dramatic Celebrity Weight Loss Transformation

7 – Jordin Sparks

American Idol alum Jordin Sparks achieved 35 pounds of weight loss success by starting slow with a simple walk around her neighborhood, gradually increasing speed until she was ready to climb a mountain near her home.

When on tour the slender singer turns to Zumba for cardio. Sparks’ favorite part about it? “The energy is so high I don’t have to run on a treadmill!”