Watch Lady Gaga Lead Star-Studded ‘The Prayer’ with Celine Dion, John Legend and Andrea Bocelli for ‘Together at Home’

Lady Gaga, John Legend, Celine Dion and Andrea Bocelli brought “One World: Together at Home” to a close with soaring four-part harmony — and accompaniment by piano virtuoso Lang Lang — with “The Prayer,” the song that became an inspirational standard after Dion and Bocelli recorded it separately and together 21 years ago.

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