Pros: They look great and sexy; They accentuate one's curvy body; A ruched dress can make you look slimmer around your waist; This style will always be trendy and popular. Cons: They could be too form-fitting for some people; Too tight ruched dresses might not be very comfortable to wear; Most ruched dresses are made of thinner materials, and some of those fabrics might be a tad transparent.