Shenae Grimes Welcomes Rumer Willis to 90210

Shenae Grimes Welcomes Rumer Willis to 90210
Donato Sardella/WireImage

07/17/2009 AT 12:00 AM EDT

The halls of West Beverly High may be a danger zone of cliques and catfights, but off-screen the cast is welcoming newbies with open arms -- good news for upcoming guest star Rumer Willis.

"Rumer Willis is joining us for a little while. I'm not sure for how long, but we are very excited," Shenae Grimes, told PEOPLE at the One Year Anniversary Party for 3.1 Phillip Lim Los Angeles Store.

It looks like Grimes's character, the sweet girl-next-door Annie Wilson may be the one in search of new friends in the upcoming season.

"That's kind of a big twist this year. I'll start out on a different foot then I did last year. I'm not part of the gang for a little while and you’ll see why," said Grimes.

90210 returns Sept. 8. -- Michelle Ward

Tell us: What will happen with Annie?Donato Sardella/WireImage

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