Ariana Grande and Cynthia Erivo Do Barbra Streisand and Judy Garland Proud With ‘Happy’ Duet on ‘Wicked’ TV Special: The History Behind the Mellifluous Mashup

Ariana Grande and Cynthia Erivo sang a mashup of 'Get Happy'/'Happy Days Are Here Again,' first done by Barbra Streisand and ...