The cathedral length veil is stunning. As a general rule, the slimmer the dress, the longer the veil. Therefore the cathedral length veil is a gorgeous companion to a to strapless dress with a slim silhouette, a mermaid gown, or an elegant empire. The veil should be longer than the train to avoid looking like someone ran out of fabric. A simple, cut edge is recommended to keep the veil light and airy, and to avoid making the veil look heavy. Here are some stunning examples.