Adam Lambert Takes On Gaga Cover For Glee
Glambert makes debut with a performance of Marry The Night...
Glambert has long been a fan of the show, and recently spoke about his experience on the set.
According to Digital Spy, he said: "It was such a warm welcome on my first day on set. The cast were so sweet and they have a family vibe so I instantly felt I was in a safe, creative place with them, and we jumped right in."
The episode - which is the first to air since the Cory Monteith tribute - will be broadcast on Sky One in the UK on Friday 15 November.