This was a big thing with the Valentino show. The show was focused around romantic braids. This is just a french braid that starts in the middle of the crown and then wraps around your head in a counter-clockwise rotation.
A wedding arch is a great idea both for an outdoor and indoor weddings, but of course they are indispensable for outdoor ones as it’s sometimes difficult to make a good backdrop. I see a spring wedding arch as something very inspiring.