In his final edition of Crosswalk the Musical for 2017, James Corden called upon a trio of great show people: Hugh Jackman, Zac Efron, and Zendaya, stars of the new film The Greatest Showman. The quartet took to the streets of the Big Apple to perform selections from a number of musicals, including classics Guys and Dolls and On the Town. Musical-theater goodness ensued, and you can watch below.