Nikki Warrington is a fictional character from the British soap opera Family Affairs, played by Rebecca Blake. She first appeared on-screen during the episode broadcast 31 January 2000. She last appeared on 1 December 2003. The character arrived as part of the Warrington/Scott family and has been labeled a "serial adulterer" due to her many affairs. Arriving with husband Andrew Warrington, she has an affair with his son Luke Warrington. She is unfaithful to Luke with her ex-husband Adrian Scott and later Jim Webb. Nikki later finds love once again and marries Roy Farmer. Her affair with Luke earned her the title of the "wicked stepmother" from Soaplife magazine.