Where can I find the dress worn by RaeLynn in bonfire scene of her God Made Girls music video?

RaeLynn is wearing the Alexis Embellished Crepe Gown by Badgley Mischka that can be found here: https://www.saksfifthavenue.com/product/badgley-mischka-alexis-embellished-crepe-gown-0400013256288.html?dwvar_0400013256288_color=SILVER