Alanna Sequin DressParty nights where shimmer wins. Alannas one shoulder neckline meets a navy sequin finish that catches the light without shouting, so it feels special the second you step in. Keep the dress in focused with simple heels and a party clutch. As the room darkens, the asymmetric line and deep blue sparkle take over, carrying you through speeches, dance breaks and the final song without needing anything extra.