Meghan Markle and Prince Harry were all smiles in their first official portrait since the pair stepped down from their senior royal duties in March.The black-and-white photo was captured by photographer Matt Sayles, who shot the couple at their home in Montecito, California, ahead of their appearance for a special edition of Time100 Talks.In the snapshot, Markle, 39, was caught in a candid moment as she laughed while sitting in a chair.