Casual or formal, it can kinda go both ways! This dress is pretty versatile, and I think it would even work as a good maternity dress. The material is light and flexible and can fit a variety of sizes. *****Does NOT come with the belt. I added it to show a different style.***** Smoke and pet free home! Pick-up in east end, off of University Park Drive. I'm more likely to respond by text than phone! Text: (306) 501-5167 email: eugenia.arg.2001@gmail.com