A rarely-seen royal family member stepped in for Queen Camilla at a royal engagement in London on Thursday, Nov. 7 as she recovers privately from a chest infection

The occurrence is a rare one for the family member, despite their working royal status. Queen Camilla is out sick with a chest infection, but as they say, the show must go on—the monarch was initially slated to attend the November 7 annual Field of Remembrance event at Westminster Abbey in London,

Queen Camilla has canceled her scheduled public appearances this week as she battles a chest infection. "Her Majesty The Queen is currently unwell with a chest infection, for which her doctors have advised a short period of rest,