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Brittany Mahomes trades cutout dress for $1,320 crystal-covered jeans after husband Patrick’s charity gala

She slipped into something a little more comfortable — and glitzy.

Brittany Mahomes traded out her form-fitted gown for a pair of pricey crystal-covered jeans to celebrate the success of husband Patrick’s fourth annual 15 and the Mahomies Foundation Gala on Saturday for back-to-back designer looks.

The pair invited several of their friends and fellow athletes — including Taylor Swift and Travis Kelce — to Las Vegas over the weekend to raise money for impoverished children.

The WAG arrived at the star-studded auction on Saturday night wearing a pastel yellow cutout Marianna Senchina dress ($750).

The semi-sheer midi dress featured slight ruching and was adorned with two large flower appliques near her chest.

The 28-year-old arrived at the gala Saturday night in a pale yellow, form-fitted dress. Lab Six Group

The cutout dress cost just under $800. FWRD

Brittany, 28, kept her hair up in a Pamela Anderson-inspired messy bun and accessorized with simple silver jewelry and strappy white heels.

Meanwhile, the quarterback, also 28, looked sharp in a blue checkered suit with a white button-down underneath.

After raising hundreds of thousands of dollars — thanks, in part, to a last-minute donation by Swift — Brittany changed into a slightly more comfortable, yet more expensive, look.

After the big night, she changed into a pair of crystal-covered jeans. Instagram/brittanylynne

Brittany paired the fun pants with a simple white T-shirt. Instagram/brittanylynne

A few friends joined the Mahomeses for a nice “nightcap” to celebrate the lucrative weekend, with Brittany opting for a tight white T-shirt and a pair of Golden Goose jeans ($1,320) featuring clusters of crystals on the thighs and rips at the knees.

The mother of two kept her same glam from the gala and paired the relaxed look with crisp white sneakers and a Chanel Classic Double Flap bag.

The Kansas City quarterback went for his own pricey dressed-down look, sporting a silver Louis Vuitton T-shirt that fetches more than $1,000 on the resale market.

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The bedazzled jeans also featured holes in the knees.

The Golden Goose pants set her back over $1,300.

While it’s unclear if Kelce and Swift joined the Mahomeses for their night on the town, the group sat together during the auction.

The “Cruel Summer” singer turned heads in a metallic green Maria Lucia Hohan gown ($2,405) as she and the Kansas City Chiefs tight end arrived at the Bellagio Hotel hand-in-hand.

Swift paired the pricey dress, which featured a boned bodice and delicate spaghetti straps, with a surprisingly affordable $120 gold chainlink necklace from Vitaly.

Kelce, for his part, looked handsome in a dark suit and white button-down, which he left slightly undone.

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Taylor Swift flew out to Las Vegas to support the Mahomes’ charity event. HBDM77 /

Although Swift went to the auction, she seemingly skipped out on the festivities afterward. HBDM77 /

Towards the end of the evening, Kelce announced that his “significant other” decided to make a last-minute contribution to the charity event.

“Alright, alright, alright, I think I was just talking to my significant other, and we might have one other alternate item that wasn’t on the docket,” Kelce told the crowd, adding, “Um, has anybody heard of the Eras Tour?” 

The tight end revealed that Swift was giving away four tickets to any of her remaining Eras Tour shows in the U.S.

An anonymous guest ended up purchasing the tickets for a whopping $80,000.

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