'90210': Rumer Willis signs on

Rumerwillis_290 The cast of "90210" continues to grow for season two. The latest addition? Bruce and Demi's oldest daughter, Rumer Willis.

Willis will appear on "at least one episode" of the show next season, says Access Hollywood. She'll be playing a "punky cute lesbian" named Gia who works on the West Bev newscast, Blaze News, with Adrianna, Navid and Silver.

She joins fellow newbie Trevor Donovan, who'll be a regular on the show next season as the charming, handsome Teddy.

Willis has been racking up the guest-star roles in the past year. She's appeared on "Medium," "CSI: NY" and "Army Wives" in the past year, in addition to co-starring with Anna Faris in "The House Bunny." She's also in the slasher flick "Sorority Row" that opens in September.

What do you think of Rumer's casting? Would you like to see her stick around for more than one episode, or is it too soon to say?

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