No royal wedding is complete without a parade of stylish hats. Inside Edition went behind the scenes at Philip Treacy's Workshop in London, where artisans are putting the finishing touches on hats. Meghan Markle has worn several hats by the designer. The dress requirement for men attending Prince Harry and Meghan Markle’s wedding is a morning suit, which features grey or black cutaway jacket, usually one button, striped trousers and typically a grey vest. #InsideEdition
