joined her brother, , at St. James's Palace today in London. The Princess Royal, who is patron of the Butler Trust, and His Majesty met winners of the 40th Annual Butler Trust Awards, which recognises and celebrates outstanding people working in prisons, probation and youth justice across the UK.

The charity promotes excellence in UK prisons, probation, and youth justice by recognising and celebrating outstanding practices and supporting the development of good practices through awards, training, and resources. Anne has been patron of the charity since it was launched in 1985 in memory of former Home Secretary Richard Austin Butler, Baron Butler of Saffron Walden, presenting the annual awards each year. Anne and Charles were snapped laughing as they mingled and chatted with the winners.

Before the reception, the Princess presented 10 awards and 20 commendations to this year's winners at the Trust's Annual Award ceremony.

This year's awards included probation officer in London Humphrey Agbukor, youth justice worker in Gateshead Gerry Bowman, senior probation officer in South West Chloe Causier-Bayliss, youth justice worker in Northern Ireland Daniel Diamond and administrative officer at HMP Leeds Kay Turner.

Officer at HMP Swaleside Jonathan Firth, manager at HMP/YOI Stoke Heath Ian Harvey, supervising officer at HMP/YOI Downview Sharon Jenkins, probation officer in Northumberland & North Tyneside Barbara Randall and horticultural instructor at HMP/YOI Brinsford Harjit Singh Gill were also among the ten winners.

This is the latest appearance of the Princess Royal since her attendance at Cheltenham last week.

Anne attended several days of the racing festival, which was also, as well as Princess Eugenie.

The Princess Royal was even snapped - Andrew Parker Bowles.

Anne dated Mr Parker Bowles in 1970 however, their romance was short-lived.

Three years later, he married then-Camilla Shand, whom he had known since the 1960s.