Chrissy Teigen and Olivia Wilde look ultra chic in all-black as they attend star-studded One Fair Wage fundraiser in West Hollywood

Chrissy Teigen and Olivia Wilde were among the A-list beauties while attending the One Fair Wage fundraiser at Gracias Madre in West Hollywood on Thursday.

Teigen, 37, and Wilde, 39, looked ultra chic in rival all-black outfits that stood out against the striking white backdrop on the event’s red carpet.

One fair wage is a national organization made up of service workers, employers and other organizations whose mission is to end ‘subminimum wages’ and ‘improve working conditions in the service sector’.

For a good cause, celebrities swapped their dresses for aprons as they served cocktails and hot meals at the nightly fundraiser.

Wilde stood behind the bar at the restaurant, while the likes of Teigen, Jamie Lee Curtis and Sarah Paulson took orders on the patio.

It was held at Gracias Madre in West Hollywood

For a good cause: Chrissy Teigen and Olivia Wilde were among the A-list beauties while attending the One Fair Wage fundraiser at Gracias Madre in West Hollywood on Thursday

Teigen looked excited to contribute to the cause as she posed in a flowy black blouse and skin-tight jeans.

The mother-of-four stood in stylish black leather sandals and wore her honey-colored hair in waves.

Wilde looked stunning in a modern black velvet dress with a groovy patterned collar and wrist cuffs.

The Don’t Worry Darling director’s golden hair was styled in a romantic updo and bold peach eyeshadow made her green eyes pop.

She walked through the venue in sky-high black patent leather boots and carried a trendy black Prada bag.

Wilde had a blast working with bartenders to create some of the restaurant’s specialty cocktails.

Sarah Paulson rolled up to the star-studded charity event in a boxy beige plaid blazer, worn over a black top and baggy jeans.

The American Horror Story alum completed the look with black gloves, burgundy leather loafers and a silver zippered clutch.

Jamie Lee Curtis flashed a warm grin and waved to photographers upon her arrival.

The Academy Award winner rocked head-to-toe black, including a pair of sporty sneakers.

Daryl Hannah eagerly waited tables while rocking her bright blonde hair in braids.

The actress wore a cute button-up rodeo shirt, black skinny jeans and silver chrome boots.

All black: Teigen, 37, and Wilde, 39, looked ultra chic in rival all-black outfits that stood out against the bold white backdrop on the event's red carpet

All black: Teigen, 37, and Wilde, 39, looked ultra chic in rival all-black outfits that stood out against the bold white backdrop on the event’s red carpet

Stylish: Chrissy Teigen looked excited to contribute to charity as she posed in a flowy black blouse

The mother-of-four stood in stylish black leather sandals and wore her honey-colored hair in waves

Stylish: Chrissy Teigen looked excited to contribute to charity as she posed in a flowy black blouse and skintight jeans

Say Cheese!  Teigen posed for a photo with Daryl Hannah

Say Cheese! Teigen posed for a photo with Daryl Hannah

Teigen posed with friend and actress/writer Natasha Rothwell

Teigen posed with friend and actress/writer Natasha Rothwell

Mod: Wilde looked stunning in a modern black velvet dress with a groovy patterned collar and wrist cuffs

Mod: Wilde looked stunning in a modern black velvet dress with a groovy patterned collar and wrist cuffs

Glam: The Don't Worry Darling director's golden hair was styled into a romantic updo for the evening

Glam: The Don’t Worry Darling director’s golden hair was styled into a romantic updo for the evening

Trendy: She walked through the venue in sky-high black patent leather boots and carried a trendy black Prada bag

Trendy: She walked through the venue in sky-high black patent leather boots and carried a trendy black Prada bag

Pop: Wilde rocked bold peach eyeshadow and made her green eyes pop

Pop: Wilde rocked bold peach eyeshadow and made her green eyes pop

Hard work: Wilde had a blast working with bartenders to create some of the restaurant's specialty cocktails

Hard work: Wilde had a blast working with bartenders to create some of the restaurant’s specialty cocktails

Sarah Paulson arrived at the star-studded charity event in a boxy beige plaid blazer, worn over a black top and baggy jeans

Sarah Paulson arrived at the star-studded charity event in a boxy beige plaid blazer, worn over a black top and baggy jeans

She showed off her flawless complexion by opting for minimal makeup

She showed off her flawless complexion by opting for minimal makeup

Friendly: Jamie Lee Curtis flashed a warm grin and waved to photographers upon her arrival

Friendly: Jamie Lee Curtis flashed a warm grin and waved to photographers upon her arrival

The Academy Award winner rocked head-to-toe black, including a pair of sporty sneakers

The Academy Award winner rocked head-to-toe black, including a pair of sporty sneakers

Yes Yes!  Daryl Hannah wore a cute button-up rodeo shirt with black skinny jeans and silver chrome boots

Yes Yes! Daryl Hannah wore a cute button-up rodeo shirt with black skinny jeans and silver chrome boots

Peace!  Jamie Lee Curtis flashed a peace sign as he shared an adorable moment with Sarah Paulson at the restaurant

Peace! Jamie Lee Curtis flashed a peace sign as he shared an adorable moment with Sarah Paulson at the restaurant

Total pro!  Jamie Lee juggled baskets of delicious food in both hands as she walked to her tables

Total pro! Jamie Lee juggled baskets of delicious food in both hands as she walked to her tables

Sarah Paulson could barely contain her giggles as she wrote down the orders as quickly as possible on a small notebook

Sarah Paulson could barely contain her giggles as she wrote down the orders as quickly as possible on a small notebook

Strike a pose: Jamie Lee Curtis and Daryl Hannah posed with real Gracias Madre servers Victor Fermin and Phoenix Ashley

Strike a pose: Jamie Lee Curtis and Daryl Hannah posed with real Gracias Madre servers Victor Fermin and Phoenix Ashley

Confident: Daryl Hannah exuded confidence as she looked at her tables

Confident: Daryl Hannah exuded confidence as she looked at her tables

Helping Hand: Sarah Paulson shadowed a serving professional

Helping Hand: Sarah Paulson shadowed a serving professional

Once the stars had their red carpet photos taken, they headed to Gracias Madre and began their services.

The official ‘Server For An Hour’ dinner features Teigen, Wilde, Curtis, Hannah, Paulson, Kristen Bell and Natasha Rothwell as the evening’s waitstaff.

The event raised funds for OFW’s campaign to “raise wages and mobilize 5 million low-wage workers” in key states such as Michigan, Ohio and Arizona in the 2024 elections.

Teigen – model and wife of multi-Grammy Award winner John Legend – chaired the event.