long black a line dress Sparkle Spaghetti strap A-line Princess Tulle Prom Length Sleeves Black A-line V-neck Lace Appliques

Its water- and sweat-proof, supportive across cup sizes (yes, even for larger chests), and, as April Buchanan, lingerie expert and founder and CEO of The Perky Lady says, makes it so much easier to wear any tricky tops or dresses. Buchanan also likes how its reusable and easy to clean

It adapts to any occasion, says Vivienne Westwood creative director Andreas Kronthaler

Invitation Says Black Tie Optional or Black Tie Preferred/Requested: Wearing a Tuxedo is Encouraged When an invitation says Black Tie Optional or Black Tie Preferred/Requested, the hosts want a formal atmosphere

Crafted from a blend of luxurious materials, the flowing A-line silhouette creates a graceful and flattering fit