Serena Williams, Amanda Gorman and several high profile celebrities have voiced their support for Meghan Markle following her interview with Oprah Winfrey. During the highly-anticipated, all-access Oprah with Meghan and Harry: A CBS Primetime Special interview with Markle and Prince Harry, which aired in the US on Sunday March 7, the Duchess of Sussex opened up about race, her mental health and the couple's decision to step down as senior members of the royal family.