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Glee‘s long-awaited Lady Gaga episode is finally upon us, and while we’re looking forward to singing along with New Directions’ versions of “Bad Romance” and “Poker Face” tomorrow night, we’re even more psyched to see how they interpret Gaga’s inimitable style. Luckily, we were able to convince costumer Lou Eyrich to give us the inside scoop. “I have great respect for Lady Gaga,” she told us. “This episode is a tribute to her genius. The costumes are not replicas; we wanted it look like the kids made them.‘” So that’s exactly what they did: “Rachel (Lea Michele) wears two outfits. The first inspired by Gaga’s Kermit the Frog dress: She goes through her stuffed animals at home and staples all of them to her dress. The second is like the dress Gaga wore with the big silver mirrored triangle.” Tina (Jenna Ushkowitz) was hand-picked by creator Ryan Murphy to wear the famous bubble dress. “It was really heavy,” Eyrich reported, “and it made a lot of noise. We turned it into a vest so that it would be easier to take on and off, because there was no sitting down in it.” While Eyrich wanted to each re-interpretation to have its own homemade  spin, she strove for authenticity when it came time to copy Alexander McQueen’s 10-inch ‘Armadillo’ platforms. “I’m a huge McQueen fan so I wanted to do them justice,” she said. “We tried to buy them” for Kurt (Chris Colfer), “but we would have needed a woman’s size 13. They don’t make them that big.” Armani gets a nod too: “We built the Armani orbit dress around Quinn’s (Dianna Agron) pregnant belly. The original is so amazing that we didn’t want to even try to rip it off, so we made it look fun.” And the most complicated? “The lobster head that Brittany (Heather Morris) wears. The dance is very ambitious, and to get it to stay on her head we had to build a Buckram orb that could be safety-pinned on her head. Then we had to sodder steel tentacles onto the sphere.” Eyrich says that even football hunk Finn (Cory Monteith) will go Gaga. “He wears a floor-length red vinyl dress, like the one Lady Gaga wore when she met the Queen. He wears it in solidarity to stick up for Chris.” Click on the gallery for more inside scoop and watch a preview of the Gaga episode below!