Katy Perry who? The girls of Glee, with Santana (Naya Rivera) and Rachel (Lea Michele) on lead, have appropriated Perry’s hit song “I Kissed a Girl” -- also the title of Glee’s upcoming episode – and made it better than the original.

The episode occurs after last week's when Finn, and later a political rival of Sue Sylvester’s, cruelly out Santana  in the most public way.

But Santana appears to be a pull-herself-up-by-her-thigh-high-boot-straps sort of gal who will embrace being out with a musical number.

Fans of a Rachel / Quinn hook-up -- there are more mash-ups of "Faberry" on YouTube than one might imagine -- will be happy to know that there’s a little Rachel and Quinn touchy-feely going on as well as a little Mercedes and Rachel moment.

Kudos to the choreographer for including a Busby Berkeley-esque aeriel shot of all the Glee gals pulsating to the Perry tune.

Here's a little background info on the episode!

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