During a State Visit, Queen Elizabeth II rides her horse in Windsor Great Park with President Ronald Reagan in the United Kingdom in 1982.

It's not every day when the pageantry of leading the free world looks so specifically like an actual pageant. But indeed, when Presidents of the United States don the traditional garb of the country they're visiting, just about anything can happen.

From the hilariously uncomfortable (Putin, Bush, ponchos) to the kind-of-awesome (Jimmy and Rosalynn Carter's colorful threads in Ghana), here's photographic evidence that sometimes diplomacy requires more wardrobe changes than a Cher concert.