Adam Lambert guest stars, and New Directions tackle "Katy" and "Gaga" in episode 4 of Glee's season 5, "A Katy or a Gaga" - and you can check out the guide below:
IT'S TIME TO CHOOSE A POP DIVA SIDE ON AN ALL-NEW "GLEE" THURSDAY, NOVEMBER 7, ON FOX
Singer-Songwriter and AMERICAN IDOL Runner-Up Adam Lambert Guest-Stars
- 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.
- Guest Cast: Demi Lovato as Dani; Adam Lambert as Elliot "Starchild" Gilbert; Erinn Westbrook as Bree; and Phoebe Strole as Penny Owen.