Katherine Virginia "Kassie" DePaiva (née Wesley; born March 21, 1961) is an American actress and singer. She is best known for her work in American daytime soap operas. She is perhaps best known for her portrayal of Blair Cramer on ABC's "One Life to Live". Other roles included Chelsea Reardon on "Guiding Light", and her current role as Eve Donovan on NBC's "Days of Our Lives".