Watch the 'Parks and Rec' cast sing 'Bye, Bye Li'l Sebastian' [VIDEO] — mashable.com

April Ludgate and Jerry/Garry/Larry/Terry Gergich just ended their Parks and Recreation runs on an unexpectedly high note. Following Tuesday night's emotional Parks and Recreation series finale, the cast bid farewell on Late Night with Seth Meyers and treated the audience to a live rendition of "Bye, Bye Li'l Sebastian." That's when Aubrey Plaza (April) and Jim O'Heir (Jerry) threw their arms around one another for a lengthy kiss that lasted through the first chorus.

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