The music superstar, 33, was surprised by Ms McDonald, from Chestnut Grove School in Balham, who taught her before she moved to the prestigious Brit School as a teenager.
Few things elicit eyeroll championships more than extremely rich women talking about the juggle of a career and motherhood. “Oh c’mon! You must have an army of nannies! All that money and your kid in a golden cot — shurrup.
In their reviews, critics praised Adele's honesty on the album, which she has described as "sensitive" and where the notoriously private singer opens up with touching voice notes recorded with her son Angelo, 9.
The British superstar had been scheduled to start a three-month residence at the Caesars Palace Hotel in what were to be her first live appearances since 2017.
The British singer was due to perform weekend shows from January to April at Caesar’s Palace.