If Sally's parents are issuing the invitation then the wording would read James and Jennifer Smith would like you to help them celebrate the marriage of their daughter Sally to John Brown or similar.Casual wedding invitation wording can include song lyrics, poetry or anything else the couple want. Formal Wedding Invitation Wording Wedding invitation wording etiquette says that a formal wedding invitation should read as follows:
Keep in mind that invitations do have an important job. No matter how carefree or nontraditional you and your fiancé are, the invitation should include the date, time and location of the wedding and the reception. If you expect a response from your guests, it is also important to include a self addressed envelope with postage included. As long as these important pieces of wedding etiquette are adhered to, you can be as unique and nonconforming as you like with the rest of the invitation.