Just a few days after the death of Whitney Houston, Glee aired a Valentine's Day episode that featured this cover. Listen now.
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Ready to meet Rachel's dad? They guest star on this Valentine's Day episode of Glee.
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Ricky Martin leads the New Directions in this performance of LMFAO's "I'm Sexy and I Know It." Watch and enjoy!
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Out with Will as a Spanish teacher, in with... Ricky Martin! Watch the Fox promo for this singer's guest-starring appearance now.
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Naya Rivera and Grant Gustin go at it here for a performance of "Smooth Criminal." It's impressive stuff, courtesy of the Glee episode "Michael."
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Darren Criss leads this amazing cover of "Wanna Be Startin Something." It's just one of many Michael Jackson covers from the aptly titled episode "Michael."
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The title of this episode says it all. Watch the official preview for Glee's tribute to Michal Jackson now!
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Sam and Mercedes will duet on a classic number from Grease on the episode "Yes/No." Take a listen to their take on "Summer Nights" now.
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Glee Quotes

Rachel: This is what I wanted!
Sam: No, what you wanted was a second chance to get it right and Carmen just gave it to you. If you throw all that away you're going to be making the same mistake all over again

I'm gonna miss all of you. I love you guys.

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