All Billy Eichner wants for Christmas is Mariah Carey.

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The pop legend joins Eichner on the new episode of “Billy on the Street” to surprise New Yorkers, get them to sing Hanukkah songs, and more.

With help from Carey, the comedian asks strangers to finish the lyrics to “I Have a Little Dreidel”, gets random strangers to kiss under the mistletoe, and tries to fix a Christmas tree.

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One woman is so surprised by Eichner and Carey that she can only react by asking, “Wait, what?” before eventually walking away.