Rachel Roy and Damon Dash’s oldest daughter, Ava Dash, showed off her model figure at the prom over the weekend. Her stunning blue gown as seen on the ‘gram might be her most mature look yet, but wasn’t created by her fashion designer mom. Although if the Rachel Roy line included prom dresses, we’re sure Ava would of slayed that too.

In case you were wondering, the backless, satin number is part of the Sherri Hill Spring 2017 collection. Check out Ava all grown up below.