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Things get wild when Zac Efron, Adam Devine, Aubrey Plaza, and the brothers who inspired Mike and Dave Need Wedding Dates sit down with Nessa from Girl .
Watch Zac Efron, Adam DeVine, Aubrey Plaza and Anna Kendrick spill the beans on each other. GET MORE BUZZFEED: .
Anna Kendrick and Adam DeVine, stars of Mike & Dave Need Wedding Dates, drop by the SXSW Mashable House. - Anna Kendrick and Adam DeVine .