Each weeknight leading up to Prince Henry and Meghan Markle’s wedding, PBS presents a series of programs highlighting preparations in London that week, with highlights on royal wedding etiquette and protocol.

Day 2: What to Wear

Follow historian Lucy Worsley into the archives to see dresses chosen by previous royal brides. Experts and commentators join Meredith Vieira and Matt Baker to determine why royal style is dictated as much by protocol and etiquette as by fashion.