Emily Blunt and Lin Manuel-Miranda perform 22 musicals in 12 minutes

Blunt stars as Mary Poppins opposite Miranda as Jack, while the piece also stars Colin Firth, Meryl Streep, Angela Lansbury, Ben Whishaw and Emily Mortimer.

The full segment was impressively shot in one take! Obviously, Corden can't handle that challenge on his own, so he recruited the movie musical stars of this holiday season: Blunt and Miranda. In just 12 minutes. And who could deny Miranda his Singin' In The Rain moment?

The film serves as a sequel to "Mary Poppins" and opens in Irish cinemas this Friday.

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Blunt and Corden then sang their duet "It Takes Two" from "Into the Woods", telling Miranda he could only play a tree because he wasn't in the movie. With the help of a large number of wigs, costumes, and props, the trio ran through 22 different movie musicals - and there was plenty of room for genre musicals. An understated Once immediately transitioned into a green screen-inspired Fame, followed by Gentlemen Prefer Blondes.

Before the performance began, Corden asked, "Are we ready for this?"