Naya Rivera is red hot!

The "Glee" starlet shared a sexy snapshot via Instagram on Tuesday, posing in burlesque-style lingerie while filming the 100th episode of the hit Fox show.

In the photo, the brunette beauty is standing onstage, rocking a red sequin push-up bra, a black and red mini skirt, thigh-high stockings and black leather boots.

So, what's in store for your favorite "Glee" characters in the milestone episode?

The 27-year-old hinted on Twitter that fans should expect a shocking twist involving Heather Morris' character Brittany.

"On set for Glee shooting a Britanna shocker!" Naya wrote last week. 

We'll have to wait and see if the cute on-screen couple reunites!

Who's your favorite "Glee" star? Sound off below, and click "Launch Gallery" above to see Naya and more sexy celebrity TwitPics.

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