In his royal capacity as royal patron of the Royal Television Society, His Royal Highness the Prince of Wales accompanied by Her Royal Highness the Duchess of Cornwall visited ITV studios earlier this morning.

The Prince of Wales and The Duchess of Cornwall are today touring the @ITV studios to celebrate 90 years of the Royal Television Society. 📺

2018 also marks @thismorning’s 30th anniversary! pic.twitter.com/egqU1GNg05

— Clarence House (@ClarenceHouse) January 31, 2018

RTS is an educational charity promoting the "art and science of television" and is supported by the BBC, Sky, ITV and Channel 4.

Their Royal Highnesses sign @thismorning’s first ever visitors book to mark the show’s 30th anniversary. pic.twitter.com/7UFZ51DJnd

— Clarence House (@ClarenceHouse) January 31, 2018

Their Royal Highnesses toured the studios, met and were presented with staff and presenters before being invited to sit on the This Morning sofa with presenters Philip Schofield and Holly Willoughby.

Their Royal Highnesses The Prince of Wales and The Duchess of Cornwall paid a visit to our studio today, and even paused for a chat with @Schofe and @hollywills on the sofa! Tune in to Thursday's show to see what else TRH got up to! @ClarenceHouse #ThisMorning pic.twitter.com/O9bNF1KtnL

— This Morning (@thismorning) January 31, 2018

This Morning, is the nation’s longest running daytime television show, that is celebrating its 30th anniversary this year, and to celebrate Their Royal Highnesses signed the programme’s very first visitors book. Later they then joined chef Phil Vickery in the This Morning kitchen and tried some mutton hotpot.

According to Clarence House, after they took part in a reception for the RTS, where The Prince was given the RTS Gold Medal - the society's highest accolade - in recognition of his support for the charity. Their Royal Highnesses also met young people who have benefited from the RTS bursary scheme.

Their Royal Highnesses concluded the event with the cutting of a gold-frosted cake.