America's Got Talent fans were in for a royal surprise during the finale last night thanks to Meghan Markle showing up unexpectedly to send her best wishes to contestant Archie Williams.Turns out Meghan and Harry are huge AGT fans, and they've been rooting for Archie—who, yes, shares a name with their son.Williams is an amazing singer who was wrongly convicted of rape and attempted murder when he was just 22.