updated 06/07/2011 AT 8:25 PM ET
•originally published 06/08/2011 AT 3:15 PM ET
LeAnn Rimes and her trainer want critics of her lean frame to know one thing: she’s fine, thank you very much.
“For someone like me who is healthy, who works hard for my body, it’s very frustrating,” says the country star, 28, who hosted “An Evening with Leann Rimes to Benefit Tornado Relief” (raising $30,000) alongside new husband Eddie Cibrian, 37, in Florida on Sunday. “I work out and take care of myself, and not in an over-obsessive way.”