Cher is obviously a superstar but even a superstar is happy to be the opening act when it comes to Santa.

FILE - David Foster, left, and Katharine McPhee arrive at the Vanity Fair Oscar Party on Feb. 9, 2020, in Beverly Hills, Calif. The couple, who wed in 2019, have welcomed a baby boy, McPhee's publicist confirmed Wednesday, Feb. 24, 2021. (Photo by Evan Agostini/Invision/AP, File)NEW YORK – Katharine McPhee and David Foster may want to channel their musical talents into lullabies. The couple, who wed in 2019, have welcomed a baby boy, McPhee's publicist confirmed Wednesday. She was also tapped to perform in Foster's 2008 “David Foster & Friends” concert special alongside Celine Dion, Michael Bublé, Josh Groban and Andrea Bocelli.

David Foster is getting candid about his life and career in his new Netflix documentary, David Foster: Off the Record -- where he also opens up about his multiple marriages and reality show stardom. Foster remarried in 2019, wedding actress and singer Katharine McPhee, 36, and he marveled to ET about the relationship and the couple's recent one-year anniversary. The pair became longtime collaborators, and Foster won one of his GRAMMYs in 1987 for his arrangement of "Somewhere" from West Side Story for Streisand. David Foster: Off the Record is streaming now on Netflix. RELATED CONTENT:Celine Dion Recalls the First Time She Sang for David FosterHow Katharine McPhee & David Foster Are Staying Entertained During Quarantine (Exclusive)Mariah Carey Praises Katharine McPhee and David Foster's Cover of 'Hero' Dedicated to Healthcare Workers