OK, so he didn't not wear his, um, "knickers" around the house while wifey Meghan Markle was celebrating her baby shower in New York City (well, not that we know of...).
But Prince Harry did give Royal Marines at the Commando Training Center in Dartmoor (about 200 miles southwest of London) their revered Green Berets on Wednesday, honoring them for completing the rigorous training course.