Pop star Tom Walker, who performed alongside her, described Kate as an "amazing musician" and said the pair got together for top-secret rehearsals in a recording studio ahead of the concert, which was broadcast on Christmas Eve.
Piers Morgan could not resist a thinly-veiled dig at nemesis Meghan Markle as he hailed the 39-year-old as a “proper Duchess”.
Morgan, a frequent critic of Meghan, tweeted a picture of Kate in midst of her performance, commenting: “A proper Duchess.”
Lisa Marie Cuthbertson commented: “Stunning performance.” Kemi Owenibi posted: “Beautiful. Brilliant. And so lovely to watch.
