A dreamy sky-blue maxi with a draped halter neckline, softly gathered bodice, low-set ruched waist and dramatic open back. The fluid floor-length silhouette is perfect for black-tie weddings, destination events, galas, formal dinners and European summer. sky blue gown, open back dress, halter maxi, wedding guest, black tie, gala, formal dress, destination wedding, euro summer, coastal chic, vacation gown, bridesmaid