Kate Middleton made a last-minute appearance, joining her husband Prince William at a ceremony commemorating Holocaust Memorial Day and the 80th anniversary of the liberation of Auschwitz-Birkenau.

Princess Kate joined Prince William for an important event on Monday, Jan. 27.

Kate Middleton and Prince William have made their first official joint appearance of the year and her first royal engagement since announcing she was in remission. On Monday, the Prince and Princess of Wales attended a London ceremony honoring Holocaust Memorial Day and marking the 80th anniversary of the liberation of the largest Nazi death camp,