In the 2001 movie musical hit Moulin Rouge, Satine (Nicole Kidman) and her dancers sing a mashup of “Diamonds Are a Girl's Best Friend” from Gentlemen Prefer Blondes and Madonna's "Material Girl".

During tonight’s movie-themed Glee Season 4, Episode 15: "Girls (and Boys) On Film," the girls of the New Directions performed that very same number. Dressed in head-to-toe glamour, Kitty (Becca Tobin), Brittany (Heather Morris), Marley (Melissa Benoist) and the rest of the glee club girls channeled their inner Marilyn Monroes in this sexy mashup.

Credit: Glee on Fox on YouTube Photo: Watch: "Diamonds Are a Girl's Best Friend"/"Material Girl" in Glee Season 4, Episode 15

From the bold pink dresses to their expertly-waved hair, the satin pink shoes and elegant pink gloves, the girls all set out to embody Marilyn’s perfect pin-up vibe. And, of course, who could forget the diamonds? Each of the girls was simply covered in diamonds: From the huge, sparkling stunner around her neck to the gaudy bracelets around her wrists.

It was sexy. It was sophisticated. And we just couldn’t look away.

Tonight’s episode exclusively featured songs from various movies. In addition to Animal House, we also saw multiple songs from Moulin Rouge, along with some from Ghost and Footloose, as well as Tom Cruise classics Risky Businessand  Top Gun.