What the 'Stranger Things' cast wore to the Los Angeles premiere of the show's final season

Her see-through Rodarte dress had a feathered neckline and hip panels, off-the-shoulder straps, and a pleated skirt that reached the floor.

Its webbed design mirrored the vines seen throughout the Upside Down, while her diamond jewelry added a touch of Hollywood glamour.

He wore the set with a white button-down shirt, black dress shoes, and a white pocket square.

She wore a white Prada outfit that consisted of a satin bralette and a matching high-waisted skirt, both of which were embellished with crystals.

She skipped jewelry last night, but wore the outfit with a layered blowout hairstyle.

Yohji Yamamoto designed her two-piece set, which comprised a floor-length pleated skirt and a long-sleeved top. The latter was fitted and embellished with a row of buttons down the front.

She wore the ensemble with minimal makeup and a wavy hairstyle.

She wore a green, sleeveless Prada gown with a sheer bodice and a pleated skirt that pooled around her feet.

Beneath it, Hawke donned a black bralette and a high-waisted skirt, which perfectly contrasted the feminine outer piece.

His three-piece set was classic, featuring trousers, a button-up shirt, and a blazer — all in black.

It stood out, though, thanks to patches of red, black, and yellow plaid, which were attached at the knees, sleeves, and chest.

Her Vivienne Westwood dress was sleeveless with black ties at the shoulder and hip.

It was also gathered at the waist, which created a slit in its long, two-toned skirt. The latter extended into a train.

The actor paired his blonde, spikey hairstyle with a Gucci ensemble.

He wore a tight-fitting T-shirt with a cropped leather jacket, shining dress shoes, and black trousers adorned with the designer's signature horsebit hardware.

The tan ensemble was decorated with a checked print and black buttons. His trousers were tailored to him perfectly, while his blazer was just the right amount of oversized.

Heaton wore the outfit with a navy-blue tie and a thin leather belt.

Wales Bonner designed his suit, which appeared to be military-inspired. It included trousers with red stripes down each leg, and a jacket with a high neckline, gold buttons, and multiple pockets.

McLaughlin made the outfit his own, though, by adding numerous diamond accessories. He wore two brooches, three rings, and a Hublot Spirit of Big Bang watch, which now sells for around $30,000.

She wore a strapless, red top with a peplum waist atop a mermaid-style skirt. Both had uneven edges, making them appear torn and rough.

She also wore matching pointed boots.

His all-black ensemble included a satin shirt beneath an oversized blazer. The latter had "I saw your wishes and knew them to be true" embroidered across the wrist.

The outfit also featured a pleated leather skirt with a fabric lining, black tights, and leather boots.

Her outfit included a mid-rise, floor-length skirt with red stripes and beaded fringe, as well as a bralette top made from mesh and velvet swirls.

She wore it with a bob hairstyle and simple jewelry.

His suit consisted of trousers, a blazer, a matching vest, and a black-button-up shirt.

To complete the look, he chose black dress shoes, a classic belt, and black-rimmed glasses.

Balmain designed his pinstripe suit, which he wore with a white button-up shirt and a satin tie.

It was his accessories, though, that stood out. He wore a black belt with gold hardware around his waist and a Hublot Classic Fusion watch that sells for around $8,700.