We're getting so anxious about next week's PLL premiere that there's a chance you'll find us at Radley. Luckily, the wait is nearly over and we'll hopefully find out some answers soon enough. This season, someone special's joining the crew: Maddie Ziegler —you know her from Dance Moms and Sia's creepy music videos — will guest star in an episode on June 30. We sat down with the dancing queen to get the deets:

First: Dancing's Involved.

Sure, it might be a bloody, creepy possessed kind of dancing, but we're pretty sure Maddie can handle anything.

Second, expect the unexpected (natch). "It's different than what most people would think I'd be doing on the show as a little girl," she said. "Obviously the show's creepy though so it fits in."

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Third, we can confirm she's not hanging with Charles! "The scene was just with Troian. She's really amazing!" Maddie said. "She helped me get into character."

Fourth, the whole set will be scary. "I got most of my inspiration from my hair, my makeup, and the set — that really helped me get into character; I didn't really practice for it."

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Fifth, don't watch alone. "It's definitely going to creep everyone out," she said. "We had to be really serious. I wish I could say more!"

Tune in to see Maddie on June 30!

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