‘Glee’ Photo Preview: Are the Directioners More like Katy Perry or Lady Gaga?

GLEE: Sam (Chord Overstreet) performs in the "A Katy or a Gaga" episode of GLEE airing Thursday, Nov. 7 (9:00-10:00 PM ET/PT) on FOX. ©2013 Fox Broadcasting Co. CR: Beth Dubber/FOX

This week on Glee, the kids of New Directions are tasked to figure out if they’re more like Katy Perry or Lady Gaga. What kinds of creative costumes can we expect to see this week? One thing is certain, Chord Overstreet’s abs are on full display! Look for the glee kids to recreate elements from Perry and Gaga’s latest videos, “Roar” and “Applause,” respectively.

Singer-Songwriter and American Idol Runner-Up Adam Lambert and X Factor Judge Demi Lovato Guest-Star

In “A Katy of a Gaga,” the members of New Directions tackle their assignment of getting out of their comfort zones and determining whether they’re more like “Katy” (Perry) or (Lady) “Gaga.” Kurt holds auditions for his new band and must decide if he’ll let in the overly bold performer, Starchild (guest star Adam Lambert). Meanwhile, Jake gets closer to Bree (Erinn Westbrook) as he and Marley grow apart in the all-new “A Katy or a Gaga” episode of GLEE airing on Thursday, Nov. 7 (9:00-10:00 PM ET/PT) on FOX. (GLE-504) (TV-14 D, L)

Cast: Matthew Morrison as Will Schuester; Lea Michele as Rachel Berry; Chris Colfer as Kurt Hummel; Kevin McHale as Artie; Jenna Ushkowitz as Tina; Naya Rivera as Santana Lopez; Darren Criss as Blaine Anderson; Chord Overstreet as Sam Evans; Jacob Artist as Jake Puckerman; Melissa Benoist as Marley Rose; Becca Tobin as Kitty Wilde; Alex Newell as Wade “Unique” Adams; Blake Jenner as Ryder Lynn; and Lauren Potter as Becky Jackson.

Guest Cast: Demi Lovato as Dani; Adam Lambert as Elliot “Starchild” Gilbert; Erinn Westbrook as Bree; and Phoebe Strole as Penny Owen.

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