Watch: Rachel and Kate Hudson's Cassie's Full Performance of "All That Jazz" in Glee Season 4, Episode 9: “Swan Song” (VIDEO)
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Rachel (Lea Michele) and her dance teacher Cassie (Kate Hudson) go head-to-head in the sexiest dance off we've seen in quite a while! Here's their full peformance of "All That Jazz" from Chicago in Glee Season 4, Episode 9: “Swan Song.”
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