Advertisement is reporting that LeAnn Rimes is filing for divorce from Dean Sheremet, a former professional dancer who she married in 2002. The country singer confirmed the plans on her website. Rimes, 27, separated from Sheremet after allegations arose that she was having an affair with Eddie Cibrian, her co-star on the Lifetime movie Northern Lights. Cibrian has already filed for divorce from wife Brandi Glanville.