Old Navy Waist-Defined Slub-Knit T-Shirt Dress Here's the casual LBD your closet has been waiting for (though this Old Navy Waist-Defined Slub-Knit T-Shirt Dress ($20-$25, originally $30) comes in other colours, too). Image Source: oldnavy.gap.com Old Navy Waist-Defined Slub-Knit T-Shirt Dress $20 from oldnavy.gap.com Buy Now