MISSISSIPPI: Leann Rimes has gained 38lbs and she’s devastated. The singer, 31, singer is such an emotional wreck over her ailing marriage to Eddie Cibrian that she’s been pigging out on fattening comfort food. “Poor LeAnn is so distraught over fears that Eddie is going to cheat on her that she’s drowning her emotions with junk food,” revealed an insider. “She’s gobbling up everything in sight. “Now, she’s become so self-conscious about her weight that it kept her from attending the CMAs. She feels physically unattractive and didn’t want to try to squeeze into a formal gown.–SP