She explained that she chose the “green-blue” background “based on her eye colour and also trying to get elements of being in a garden and on water – rowing being one of her [favourite] sports and in some pictures”.
The Princess is a keen sportswoman and has frequently been pictured rowing, playing tennis and taking part in other activities such as rugby.
Describing her portrait’s subject, Ms Uzor said: “She has really risen up to her role – she was born for this. She carries herself with such dignity, elegance and grace.”
The fellow mother of three added: “I sense with her the joy of motherhood.”
While she hasn’t met the Princess, the artist has previously spoken with the King during his tour of the Africa Centre, in south London, in January last year.
The new unofficial portrait of the Princess was commissioned by Tatler magazine, with no involvement from the Princess or palace.