The Duke and Duchess look back from the plane before getting on board after what has been a hugely successful first official fo

Goodbye: The Duke and Duchess look back from the plane before getting on board after what has been a hugely successful first official foreign tourAfter driving through an area with one of the biggest populations of homeless people in the U.S., Prince William and Kate Middleton boarded a commercial jet to fly back to the UK after saying goodbye to America. Following a hugely successful tour