Several factors contribute to making a wedding dress sparkle and stand out on your special day. First and foremost is the use of embellishments like sequins, crystals, or beads which catch the light as you move and create an eye-catching effect. These embellishments might be carefully sewn onto the fabric by hand or applied using techniques such as embroidery or beading workmanship. Additionally, fabric choices play an essential role in creating sparkle - materials like tulle or chiffon that have inherent translucency can enhance the twinkle effect when combined with strategically placed embellishments. Lastly, lighting at the venue can make a significant difference in how much a wedding dress sparkles, with well-placed lights highlighting the dress's shining details and adding a magical allure to your overall bridal look.