90210 preview: "It's the Great Masquerade, Naomi Clark"

Nov 1, 2011 at 10:00 a.m. ET

Grab a mask and settle in for a little masquerade party on 90210 this week.

Everybody loves a little mystery, especially when the gang of 90210 is involved. You don't want to miss this week's new episode, "It's the Great Masquerade, Naomi Clark."

Halloween might be over, but that doesn't mean the tricks or treats are over on 90210.

We recently revealed a few November sweeps secrets courtesy of the CW, and one of those tidbits was Brandy Norwood's big guest starring role.

In this week's new episode of 90210, "It's the Great Masquerade, Naomi Clark," Brandy Norwood guest stars as political candidate Marissa Harris-Young. Marissa isn't quite who she appears to be -- at least to Silver.

Elsewhere, Naomi gets the pleasure of throwing the campus costume shindig with Holly and it's not the prettiest of situations.

Check out a preview...

The CW officially describes "It's the Great Masquerade, Naomi Clark" as the following: "Naomi (AnnaLynne McCord) has to work with her arch-nemises Holly (guest star Megalyn Echikunwoke) to throw a campus costume party, leading to unfortunate consequences. Navid's (Michael Steger) plan to bring down his Uncle Amal (guest star Anthony Azizi) is threatened, while Silver (Jessica Stroup) discovers that political candidate Marissa Harris-Young (guest star Brandy Norwood) is not who she seems. Meanwhile, Adrianna (Jessica Lowndes) handcuffs herself to Dixon (Tristan Wilds) in an attempt to get him to stay sober and Annie (Shenae Grimes) must decide if she wants to give Patrick (guest star Chris L. McKenna) another chance."

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If you could attend Naomi's big costume party, what would you go as? Head over to our comments section and sound off!

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Don't forget to check out an all-new episode of 90210 Tuesday, Nov. 1. Whose costume do you want to see on "It's the Great Masquerade, Naomi Clark?"

Photo courtesy of The CW