Bride To Be Necklace. Flashing! Necklace it is time for girls night out and there is no better way to light up your party than with one of our light up necklaces. Stand out at the nightclub or use it as a party favor to illuminate all party goers. Light up necklace is a necessary addition to any party including, bachelorette, hen, birthday and even bridal showers. No matter what kind of party you are throwing, this necklace is sure to light up your night! Bachelorette Party, Girls Night Out party supplies.