Sheryl Underwood Opens Up to PEOPLE About Her 90-Lb. Weight Loss: 'I Feel Amazing'

By reducing her food intake and increasing her exercise, Underwood has dropped four dress sizes and says she'd like to lose another 25 lbs. She takes Metamucil daily to help clean out her gut, is drinking more water and going hard on fiber.

"I'm eating fruit and vegetables that I never thought: green, leafy. I'm getting into eating blueberries and eating strawberries," she shares.