Prince William and Prince Harry were joined by their wives, Kate Middleton and Meghan Markle [1], to celebrate the 100th anniversary of the Royal Air Force on Tuesday in London. The fab four arrived in style at Westminster Abbey [2] and later took up on the Buckingham Palace balcony to watch the military fly-past. While there, it appeared that Will, Kate, and Meghan shared a laugh [3] at something Harry wasn't in on; the 33-year-old newlywed looked a little confused as the trio cracked up. It reminded us a bit of when Harry was Kate and Will's third-wheeling pal [4] before Meghan joined the show!
Will clearly had the giggles all day, as he was also caught chuckling in his seat [5] by Kate. After the RAF ceremony, Harry and Meghan jetted off to begin their two-day tour of Ireland [6]. Maybe Meghan filled Harry in on the joke during the plane ride? Keep reading to see Harry being left out of the joke.
