Kate Roberts is a fictional character from Days of Our Lives an American soap opera on the NBC network. The matriarch of the series' Roberts family, the role was originated by Deborah Adair in 1993, and is currently played by (and most associated with) Lauren Koslow, who has held the role since 1996. Kate is the mother of Austin Reed, Billie Reed, Lucas Horton, Philip Kiriakis, and the twins Cassie and Rex Brady. Kate is the ex-wife of Curtis Reed, Victor Kiriakis, Roman Brady, Stefano DiMera, and is the widow of André DiMera. She is known for getting what she wants via scheming. In 2000, Koslow received a Soap Opera Digest Award nomination for Outstanding Supporting Actress, for her portrayal of Kate.