formal dresses for a party Dress: 27774. Long, Off The Shoulder, Fit N Flare | Alyce Paris A masterfully layered chiffon skirt designed to provide controlled volume and steady movement Plus Size Cocktail & Party

Its black stretch-design and fitted waistline flatter the body, while the strapless, square neck and column silhouette add a touch of glamour

Its crafted to an asymmetric one-shoulder silhouette from premium, high-shine satin jersey thats designed to hug every curve and create a liquid-like effect

Watch Inside Paris Hiltons Closet and Denim Collection:

Black-tie optional is a dress code often seen on invitations to events, indicating that guests have the option to wear black-tie wedding guest attire, typically a tuxedo for men and an evening gown for women, but it's not required

Bianca did something noticeably different with her hair as she styled it in two-looped braids