long black tulle dress Bella and Bloom Boutique Floor length Black Sweetheart Ruffle Tiered Tulle

For trendsetters, take the look to the next level with this chic spring wedding guest dress with a ruched drop-waist style

In the picture above, Im wearing a linen dress from the sustainable brand Son de Flor

See plus-size black evening gowns with a-line skirts and La Femme long designer dresses for formals

However, if you do not wear a tuxedo, a dark suit with a conservative tie is generally acceptable, though a tuxedo will ensure you meet the hosts ideal vision for the event

Sweaters: Cozy and Comfortable Why It Works: Layering a slim-fit sweater over your shirt and under your suit jacket introduces texture and a casual flair, ideal for business casual settings or autumn and winter outings

The dress begins with a clean, strapless neckline that presents a showcase of the collarbone, flowing seamlessly into a straight, floor-grazing style that moves with a fluid, almost liquid-like quality