black short formal dresses Simple Mini Dress Prom Dress for Freshman Black Evening Party Dress Strapless Sweetheart Little Black Short

Both sisters put their own spin on partywear, with Kendall wearing a mini af black, strapless mini dress and accessorising with a pair of sunnies (it's Las Vegas, after all)

Model is 5'5 and wearing a size small

Fitted undershirts, which hug the body, are ideal for wearing under dress shirts or fitted clothing

If the invitation specifies black tie optional, a sophisticated knee-length cocktail dress in luxurious fabric might work, but you risk appearing underdressed compared to other guests

The mesh overlay sits smoothly over a full lining so the dress stays comfortable against the skin

If the color is too saturated, it can look a little too foppish