Rumer Willis is set to play a "punky lesbian" on '90210'.
The 20-year-old daughter of Demi Moore and Bruce Willis will guest star as Gia in at least one episode of the US TV series, which is set at the fictional West Beverly High School in Los Angeles.
She will work at the school paper with Navid, Adrianna and Silver - played by Michael Steger, Jessica Lowndes and Jessica Stroup respectively.
An insider told US TV show 'Access Hollywood': "Gia is a punky, cute lesbian who isn't afraid to speak her mind."
Rumer - who has previously appeared on 'Medium' and 'CSI: NY' - is reportedly thrilled with her upcoming TV role.
The actress recently revealed she is not interested in showbiz parties, preferring to spend time with her friends.
She said: "Honestly, my ideal Saturday night is just hanging out with friends, playing games like 'Catchphrase' or 'Celebrity'. I don't go to wild parties - I've seen what excess and drugs can do to people."