LeAnn Rimes is engaged to actor Eddie Cibrian, she announced Monday (Dec. 27) via Twitter. She wrote, "Thank you for all your well wishes!! We are extremely excited and look forward to a beautiful future. It's been an incredible last few days, I was shocked!!! We are blessed, our families are so happy and our lives are filled with love." Rimes' divorce from her first husband, Dean Sheremet, was finalized in June, while Cibrian's divorce from model Brandi Glanville became official in October.