Nikki Cox, born Nicole Avery Cox on June 2, 1978, in Santa Monica, California, is a retired American actress known for her roles in popular TV shows like Unhappily Ever After, Las Vegas, and Nikki. She began her career as a dancer in ballet productions and TV specials at the age of four and transitioned to acting by the time she was ten. Nikki gained recognition for her role as Tiffany Malloy in Unhappily Ever After, which aired from 1995 to 1999. She later starred in Las Vegas as Mary Connell and had her own sitcom, Nikki, which ran from 2000 to 2002.