I will say, I do love a city where anything goes and Vegas is definitely one of them
Either choose a fringy purse/lace up shoe and go minimal with jewelry or reverse it and totally rock out with beaded bracelets or tiered necklaces

simple jewelry Commonly Found Education Most established businesses Employer-sponsored events Internal and/or client-facing meetings Notes Often uses solid, neutral colors and simple patterns Some industries/companies will allow dark denim for business casual attire Level of Dress: Creative Casual Attire Sport coats and jackets Brightly colored or patterned shirts and ties Fine fabrics, fashionable silhouettes Dressy slacks, possibly denim (well-tailored dark wash, black, or crisp white are the safest) Loafers, slides, mules Classic handbag or shoulder bag Bigger and unique jewelry and accessories Commonly Found Creative firms, arts and entertainment Publishing and editing PR and communications Notes This is one of the only times when its acceptable to wear dress shoes or loafers without socks Allows for creativity with color and print but still keeps an air of professionalism Level of Dress: Traditional Business Attire Attire Shirt and tie

As seen in this gown, diamond white works especially well with satin to capture that romantic old Hollywood vibe
Sizes: XS, X, S, M, L, XL, 2X