Halter Sequin Dresses & Windsor Christine Formal Stylish Halter Sequin Dress Halter Sequin Dresses & Windsor Halter Sequin Dresses & Windsor. Special Occasion Bring the dazzle with a sequin dress that elevates your special evening. The dress features a halter neck. sequins. an open back. and a mini length silhouette. The dress offers a form hugging fit with minimal stretch. Complete look with rhinestone heels. Fit & Features Halter neck Sequins Mini length silhouette Form hugging fit Minimal stretch Runs true to size