A year of firsts! Meghan Markle?s debut public appearance with Queen Elizabeth II is set to take place on Monday, March 12 ? just two months before her royal wedding to Prince Harry. The annual celebration is the largest annual multi-faith gathering in the UK in celebration of Her Majesty?s lifetime commitment to the Commonwealth. The service will feature a special musical performance by former One Direction member Liam Payne. Harry dished that his fiancée has met her ?a couple of times,? calling her ?an incredible woman.?