Wedding arch

The Wedding Arch was introduced in The Sims 2. While Sims can get married or enter a Joined Union without using the arch, it allows a player to add a bit of formality, as Sims who get married or joined under the arch will change into their formal clothes. If the relationship between the two Sims is too low, one may call off the wedding. While this can happen whether or not the arch is used, it's more dramatic if the arch is involved. Players who have The Sims 2: Celebration Stuff will be able to choose from among several different arches.