You can buy your own bubbly now so why not throw a fabulous party with 18th birthday invitations from Zazzle! Add your details and special messages to our existing designs in the marketplace, such as funny 18th birthday invitations, photo 18th birthday invitations and vintage 18th birthday invitations. Whatever your theme or style, we’ll have the invitations to match. Then pick your shape and paper type, from linen to felt to extra-thick. While you're here, why not check out some of the other invitation designs on Zazzle on the main invitations page for your next exciting event!