Nikki and Brie Bella have a cooking showdown at the BottleRock Napa Valley ...

They're usually giving someone a smackdown when they're on stage together.

But Nikki and Brie Bella instead showed off their cooking skills while making an appearance at the 2019 BottleRock Napa Valley Festival on Saturday.

The 35-year-old dueling identical twin sisters paired up with brother chefs Bryan and Michael Voltaggio to see who could cook up the tastiest meal at the Northern California music and food festival.

Showdown: Nikki (R) and Brie Bella (L), both 35, showed off their cooking skills while making an appearance at the 2019 BottleRock Napa Valley Festival

Showdown: Nikki (R) and Brie Bella (L), both 35, showed off their cooking skills while making an appearance at the 2019 BottleRock Napa Valley Festival

The sister fighters looked like boxers arriving for a fight with their silky white robes with baby blue trim as they took to the Williams–Sonoma Culinary Stage.

Nikki was decked out in a cream-colored mesh dress that bared her impressive cleavage and hinted at the rest of her trim figure.

Her outfit featured an intricately designed layer of lace around her bust, as well as a row of stringy fringe.

Her boxer's robe slipped won during the opening presentation, showing off her fit arms.

The former WWE star added a bit of flair with an array of thin gold necklaces draped over her throat.

Cruising for a bruising: The 35-year-old dueling identical twin sisters squared off to see who could cook up the tastiest meal at the Northern California music and food festival

Cruising for a bruising: The 35-year-old dueling identical twin sisters squared off to see who could cook up the tastiest meal at the Northern California music and food festival

Entering the ring: The sister fighters looked like boxers arriving for a fight with their silky white robes with baby blue trim

Entering the ring: The sister fighters looked like boxers arriving for a fight with their silky white robes with baby blue trim

Busty display: Nikki was decked out in a cream-colored mesh dress that bared her impressive cleavage and hinted at the rest of her trim figure

Busty display: Nikki was decked out in a cream-colored mesh dress that bared her impressive cleavage and hinted at the rest of her trim figure

Delicate design: Her outfit featured an intricately designed layer of lace around her bust, as well as a row of stringy fringe

Delicate design: Her outfit featured an intricately designed layer of lace around her bust, as well as a row of stringy fringe

Fit figure: Her boxer's robe slipped won during the opening presentation, showing off her fit arms

Fit figure: Her boxer's robe slipped won during the opening presentation, showing off her fit arms

Where Nikki opted for muted colors, Brie went all out with an eye-catching scarlet dress adorned with white and lilac floral patterns.

The wrestler and amateur chef accessorized with multiple bracelets and rings, and she let her long raven tresses cascade over her shoulders in soft curls.

After showing off and pumping up the crowd, the two dark-haired beauties paired off with the chefs to make the best-tasting concoction.

Flower power: Where Nikki opted for muted colors, Brie went all out with an eye-catching scarlet dress adorned with white and lilac floral patterns

Flower power: Where

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