In Shinto weddings, origami butterflies are used to represent the bride and groom. This tradition symbolizes the transformation and beauty of the couple as they embark on their new journey together. Origami butterflies are delicate and intricate, just like the bond between the bride and groom. They also represent grace, elegance, and the fleeting nature of life, reminding the couple to cherish each moment of their marriage. Therefore, the statement "Origami butterflies represented the bride and groom in Shinto weddings" is true.