Queen Camilla wore black to meet Pope Francis at the Vatican, but why can Princess Charlene and other royal women wear white? All about the royal rule and fashion choices past.

Princess Charlene has the "privilege to wear white" when meeting Pope Francis, unlike Queen Camilla. The Queen, 77, met His Holiness alongside King Charles in a private meeting at the Vatican on Wednesday,

ROME (AP) — Pope Francis met privately with King Charles III and Queen Camilla on Wednesday at the Vatican during the royal couple’s four-day state visit to Italy and on the occasion of their 20th wedding anniversary, the Vatican announced.

King Charles and Queen Camilla met privately with Pope Francis while on a State Visit to Italy. And today, a new picture of the audience was released, showing Camilla in black shaking the Pope’s hand while Charles stands holding a red gift box.

King Charles and Queen Camilla visited the Vatican for a private meeting with Pope Francis, just weeks after his monthlong hospital stay for double pneumonia. According to the Vatican, the Pope “gave good wishes” to the couple on their recent 20th anniversary.

Vatican says Pope Francis met privately with King Charles III in first announced meeting since pope's return to Vatican.

King Charles and Queen Camilla are living their best lives on their royal tour through Italy. From a glamorous State Banquet at the Palazzo to soaking up history at the Colosseum, their four-day trip has been nonstop.

King Charles III and Queen Camilla met privately with Pope Francis on Wednesday in the Vatican, Buckingham Palace said, just weeks after Francis spent more than five weeks in the hospital.

Their Majesties King Charles and Queen Camilla this afternoon had a private meeting with His Holiness Pope Francis at the Vatican,” the Palace said today. “Their Majesties were delighted The Pope was well enough to host them—and to have had the opportunity to share their best wishes in person.