Sing it, Will and Rachel! The pair team up here on a version of "Endless Love."
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Wow. You gotta check out Will busting a move to the Thong Song. Please don't take down this clip, YouTube!
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Glee Quotes

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

Puck

Blaine: We don't lip sync in Glee
Brittany: My voice is too weak to sing live. I've been up every night this week yelling at the shrubs in my yard that have been making fun of me.