Amanza Smith and Mary Fitzgerald Rock Black and White Dresses for Chelsea Lazkani’s 30th Birthday

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Selling Sunset stars Amanza Smith and Mary Fitzgerald model contrasting black and white dresses at co-star Chelsea Lazkani’s 30th birthday bash.

Amanza Smith and Mary Fitzgerald were seen arriving at Chelsea Lazkani’s birthday party in Los Angeles on Thursday night.

The stars of Netflix’s hit reality series Selling Sunset made their grand entrance in contrasting black and white outfits to celebrate their co-star’s 30th birthday at the Beverly Wilshire Hotel.

Earlier in the day, Amanza and Chelsea were stunned in glam outfits while filming for the real estate show, with the birthday girl taking to social media to show off her pink ensemble.

Amanza Smith, 45, wore a one-shoulder black dress with an extreme slit that showed off her legs and a plunging, asymmetrical cutout as she arrived at Chelsea Lazkani's 30th birthday party.

In contrast, Mary Fitzgerald, 42, donned a white mini dress with ruffle details and long sleeves in Los Angeles on Thursday night.

Amanza Smith, 45, and Mary Fitzgerald, 42, were seen arriving at Chelsea Lazkani’s 30th birthday party wearing contrasting black and white outfits in Los Angeles on Thursday night.

The brunette beauty, 45, wore a one-shoulder black dress with an extreme slit that showed off her legs and a plunging, asymmetrical cut.

In contrast, the blonde bombshell, 42, donned a white minidress with ruffle details and long sleeves.

Both reality stars wore their hair in high ponytails for the occasion.

Dark and Sexy: Smith went for a vampy look with the black dress featuring several revealing cutouts and paired the look with stilettos with ribbon straps tied around her ankles and calves

Dark and Sexy: Smith went for a vampy look with the black dress featuring several revealing cutouts and paired the look with stilettos with ribbon straps tied around her ankles and calves

Smith braided her waist-length ponytail, while Fitzgerald styled her sleek, straight ponytail.

Smith went for a vampy look with the black dress with several revealing cutouts.

She paired the dress with stiletto heels with ribbon straps tied around her ankles and calves.

Vampy: As accessories, she wore a pair of fingerless gloves made of black lace and carried a book-shaped handbag.

Vampy: As accessories, she wore a pair of fingerless gloves made of black lace and carried a book-shaped handbag.

As accessories, she wore a pair of fingerless gloves made of black lace and carried a book-shaped clutch.

Smith used a purple cat eye liner with cut creases and opted for a baby pink lip.

In contrast, Fitzgerald sported a shimmering white look.

In contrast: Fitzgerald rocked a shimmery white look in a Victorian-inspired turtleneck that featured long sleeves with thumbholes and a ruched stripe detail.

In contrast: Fitzgerald rocked a shimmery white look in a Victorian-inspired turtleneck that featured long sleeves with thumbholes and a ruched stripe detail.

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The Victorian-inspired, high-necked garment featured long sleeves with thumbholes and ruched stripe detailing throughout.

Fitzgerald styled the look with a pair of bedazzled strappy sandal heels and a sparkly leg warmer.

To match, she carried a sparkly shoulder bag with a black strap and accessorized with a pair of diamond earrings.

For makeup, she used white eyeshadow to match her dress and a bold burgundy red lipstick.

Birthday girl: One of the real estate reality show's newest stars, Chelsea Lazkani, celebrated her 30th birthday Thursday with her co-stars at the Beverly Wilshire Hotel.

Birthday girl: One of the real estate reality show’s newest stars, Chelsea Lazkani, celebrated her 30th birthday Thursday with her co-stars at the Beverly Wilshire Hotel.