long red corset dress Thalassa Strapless Maxi Perfect for a formal occasion 'Stefania' Ruby Corset Maxi Dress

To avoid any problems getting into the pool party it is recommended that everyone wears pool attire

The combination of a crop top or camisole top with an a-line or wrap skirt and wedge also offers a balance of mobility and elegance

SHOP THE LOOK: ONE-STRAP SUEDE BLOCK HEEL SANDALS

Because a sheath relies entirely on its unbroken line, the hem must hit at a flattering point, ideally at or just above the knee, so the leg below it looks long rather than cropped

Not for Grande and Roach, thoughin fact, just two weeks ago, the stylist dressed the actor in another Gilbert Adrian number to film the Wicked: One Wonderful Night special