Simple trick to add texture to your braid: Get 3 strands for a normal braid. Loosely braid One Strand. Use that braided strand with the other 2 to form the final braid of all your hair. Loosen with fingers for more "messy.
My Wedding hair but it ended in a pony not a bun. French Braid Top Knot - Flip hair over and french braid from the nape of the neck until the middle of your head, then put your hair in a ponytail and make a sock bun