Sweet Sixteen Dresses - A sweet sixteen birthday party celebrate a young girls coming of age. A sweet sixteen, like a wedding can be extremely formal, casual or semi-formal. Sweet sixteens can range from staying home to large affairs. The Mac Duggal babydoll styles are short, full, flirty dresses and are a wonderful choice for the perfect sweet sixteen dress. The sweet sixteen dresses feature fit and flair, cabbage and classic BabyDoll silhouettes.