Popsugar Fashion Lauren Conrad Lauren Conrad Mermaid Costume You Can DIY Your Way to Lauren Conrad's Mermaid Costume October 30, 2014 by Hannah Weil McKinley View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 For the Seashell Bra Lay the bra on a flat surface, and arrange the seashells to your liking. Use your hot glue gun to secure all of the seashells onto the bra. Previous Next Start Slideshow HalloweenLauren ConradHalloween CostumesDIY Halloween CostumesHalloween Costumes For Women