Jimmy Cricket has posted video of the 1984 Royal Variety Show in which he appeared.
The show took place on 19 November at the Victoria Palace Theatre in London.
Guests included the Princess Diana and Prince Charles.
Northern Irish comedian Jimmy, now 74, posted a link to the footage on social media.
He said: “Hi folks! Nostalgic footage, the year was 1984.
“I had the great privilege to be part of this great Royal Variety Show.”
The Queen Mum, Princess Diana and Prince Charles attended the event.
Other performers included singer/actor Paul Nicholas (pictured above with Jimmy).
Comedians Bernie Winters and Billy Dainty also starred.
The Royal Variety Performance, a televised variety show, takes place annually.
It raises money for the Royal Variety Charity, of which Queen Elizabeth II is life patron.
Senior members of the British Royal Family attend the event.
It is a live variety show, usually staged in a London theatre.
The event consists of family entertainment, including comedy, music and magic.
The charity assists those who have worked professionally in the entertainment industry and need help.
In addition, it supports anybody who has been on the stage, in the wings, in front of a camera or behind it.
It also helps people who have worked in the support industries dedicated to entertainment.