I don’t love wearing an undershirt with a dress b/c it makes it bulky looking!
I bought this for my teen daughter. She’s 5’9” 120lb and bought her the S. It’s so hard to find dresses that are cute and modest, but the length was perfect. The material is a little thin but I bought her a slip and it was a non issue.
The dress is really cute and fits my daughter good but it is really thin and very see through. Other than that it’s a nice dress!