LeAnn ex-husband Dean Sheremet is convinced the singer jeopardized her own career by leaving him for actor Eddie Cibrian, branding it the “dumbest” professional decision she has ever made. The country star’s marriage with dancer-turned-chef Sheremet fell apart in 2009, when she was caught cheating with Cibrian on the set of their TV movie “Northern Lights.” The infidelity ended both Rimes and Cibrian’s marriages and they went on to tie the knot in 2011.
