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These Talented Fans Were Lucky Enough To Perform Showstoppers With Their Idols

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Sometimes fans are pulled onstage only to stun their favorite musicians with their raw talent. We scoured YouTube for the best of these showstopping moments, featuring unexpectedly amazing duets with Lady Gaga, Kendrick Lamar, Lenny Kravitz, Kristin Chenoweth, and many more! Which impromptu collaboration is your favorite?

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