Civil wedding ceremonies like church ceremonies do have a traditional format. Below is a basic outline of how a civil ceremony unfolds. Point 8,10 and 15 are legally required the other points are optional.
1 Groom, Best man & groomsmen arrive - Groom, Best man and Groomsmen take their places next to the Celebrant & await the Bride.
2 Seating of parents and guests - Ushers directs parents and guests to their seats (usually a friend or family member).
3 Celebrant Announces… - “Ladies and gentlemen please be upstanding for the bride.”
4 Processional - Entrance of bridal party to music.