As stated in the first three parts of the episode, Gwen and Trent are getting married and are having a big wedding, with the help of some of their friends. Here's part three. This time, some of the preparations are going haywire.

Leshawna's Journal

Despite my pineapple allergy, I have decided that I should work on the batter and the frosting, but it wasn't gonna be easy. There had to be some individual situations with what type of flavor frosting Trent and Gwen would like, or what kind of cake decorations they'll like. This was going to be one hell of a decision. But first, I needed to confront...