The Duchess accompanied the Scottish singer on piano during a televised carol concert.
The Duchess of Cambridge can add pianist to her royal resume.
The pairing came about after Walker performed at a charity event that the duchess was attending.
Duchess of Cambridge Kate Middleton performs with Tom Walker at Westminster Abbey.Alex Bramall/Kensington Palace via Getty Images
Walker told the BBC in an interview.
“And I was like ‘What?'”
Walker and the duchess got to work, rehearsing for some weeks.
Alex Bramall/Kensington Palace via Getty Images
“She’s [a] very talented musician.”
“She was in floods of tears watching it on the telly,” he said.
“It was beautiful.”
Watch the video above.
