Carrie Underwood has secured an endorsement deal with Vitaminwater energy drink, which will market a limited-edition bottle this summer. ( CMT )
She'll also be featured in upcoming commercials for the drink. Underwood joins fellow American Idol winner Kelly Clarkson, as well as 50 Cent and LeBron James, as celebrity partners. "I have a hectic schedule, and Vitaminwater really helps to keep me going," Underwood said. "I like to have a lot of energy on stage, and since Vitaminwater energy happens to be my favorite flavor, I'm thrilled to have my name on it."