Britain's Duchess of Cornwall pulled out of a Buckingham Palace reception earlier this week due to back pain.
The 68-year-old royal was forced to cancel her appearance at the white tie reception on Tuesday (08.12.15) under doctor's orders.
A spokeswoman for Clarence House explained: "The Duchess of Cornwall did not attend the reception on medical advice, due to neck and shoulder pain."
The Duchess was expected to join her husband Prince Charles, Queen Elizabeth, Prince Philip and the Duke and Duchess of Cambridge at the glamorous gathering, one of the highlights of the royal calendar, put on for 1,500 guests.
Meanwhile, this isn't the first time Camilla has had to miss an engagement as she also pulled out of her royal duties in September after being struck down with a stomach bug.
However, despite her on-going trouble with back and neck pain, the blonde beauty is not expected to miss anymore.
Camilla, who married into the royal family in 2005 when she tied the knot with Charles, has sparked concerns she's battling with osteoporosis, a bone condition which killed her mother, but sources close to her are adamant she doesn't.