That Sebastian Professional Sparkle by streetwhit featuring a satin clutch

Halston Heritage sequin cocktail dress
£228 - theoutnet.com

Giuseppe Zanotti leather sandals
$815 - giuseppezanottidesign.com

Christian Louboutin satin clutch
£520 - net-a-porter.com

Diane von Fürstenberg flat belt
$220 - boutique1.com