Prince Harry and Meghan Markle's first Fourth of July in the United States will be super sweet, spending time with their 1-year-old son, Archie.ET recently spoke to royal expert Katie Nicholl, who said that the couple is still staying at Tyler Perry's house since moving to Los Angeles in March and enjoying time with a «happy» Archie.«I think he is just about walking,» Nicholl says of Archie. «He's a very happy little boy, he's loving life in L.A.