McPhee currently stars in the West End production of the musical.
To commemorate Katharine McPhee's final week in the diner of the West End production of Waitress, the show has released a new single of the American Idol and Smash favorite singing "She Used to Be Mine." Listen below.
McPhee played Jenna in Sara Bareilles and Jessie Nelson's musical throughout 2018 and Broadway, and opened the London production this year. She marks her final performance on June 15.
The Broadway cast of Waitress currently stars Shoshana Bean, Charity Angél Dawson, Caitlin Houlahan, Erich Bergen, Ben Thompson, Larry Marshall, Benny Elledge, Noah Galvin, Melody A. Betts, Tyrone Davis Jr., Andrew Fitch, Molly Hager, Jessie Hooker-Bailey, Arica Jackson, Molly Jobe, Brandon Kalm, Matt Kumangai, Tess Murphy, Everleigh Rotunno, Stephanie Torns, and Dan Tracy.