Ariana Grande Sings 'Cinderella' Classics With Seth MacFarlane.

(Radio.com) Ariana Grande got her start on Broadway--and don't you forget it. Family Guy creator Seth McFarlane is an old timey vaudeville guy at heart--and don't you forget that, either.

The pair of old souls joined together (apparently in someone's living room) to sing karaoke renditions of various Rogers and Hammerstein classics from Cinderella.

They started off with "In My Own Little Corner" and finished with "Impossible," that soaring classic that Whitney Houston and Brandy perfected in 1997. Watch Grande and MacFarlane get their Broadway on here.

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