The dress doesn't come with a slit in the photo of the model. She made the slit on her own.
The model is wearing a size small. She is 5'2, 130lbs. The back of the dress does have a dip and opening. This dress has been tailored to fit snug around the model's waist. This dress does fit to size and it does have a slight stretch. If you are curvy, we recommend ordering a size up. Perfect for date night or drinks with the girls.