elegant semi formal dresses Simple Chic Little Black Dress With Off Shoulder bride dresses and knee length wedding guest dresses. Evening Gown Semi Formal Tight

Opulent gold contrast trim/piping accents the curves and highlights provocative midriff cut-outs, creating dynamic lines that guide the eye and emphasize the waist

It still looks like a dress but there might be one random cutout on the side with an asymmetrical strap here

The "Summertime in Paris" singer arrived alongside sister Willow Smith as he wore a classic Louis Vuitton tuxedo for the night

As a general rule of thumb, floor-length and mid-length gowns made from fabrics like satin, crepe and velvet lend themselves nicely to formal affairs, while mini dresses in fabrics like linen and chiffon are better suited for casual events

They joined the canon of well-dressed girl groups on this year's red carpet in five takes on bohemian lace by Ludovic de Saint Sernin

Fair warning: this one runs generous, so size down for the perfect fit