Prince William and Princess Kate have won praise from fans over footage in which they appeared to be moving as one. The Prince and Princess of Wales seemed to be in sync during high-profile visits across the world from Canada to the Caribbean.

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,

Credit: Dan Kitwood/ Princess Kate joined Prince William for an important event on Monday, Jan. 27. Holocaust Memorial Day takes place annually on Jan. 27. The international memorial urges people around the world to "remember the 6 million Jews murdered during the Holocaust,