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Brielle Biermann’s Bachelorette Trip Is Full of Custom Bridal-Themed Looks: ‘Mrs. Seidl’ Bikini, More

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1 hour ago

August 15, 2026

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Brielle Biermann is celebrating her final days as a fiancée before saying “I do.”

The reality star, 29, showed off her pre-wedding style lineup in a series of photos from her bachelorette trip to Turks and Caicos, during which her squad rang in the special occasion with a beach-themed party.

In new photos she shared via Instagram on Thursday, August 13, pink and white balloons filled the room, which also included a light-up “Mrs.” sign in honor of Brielle’s upcoming nuptials to Minor League Baseball player Billy Seidl.

Brielle kicked off the festivities in a series of custom bridal-themed looks, rocking a white corset top paired with flowy white pants, topped off with a veil that draped down her back.

She also brought the personalization to another look with a white bikini featuring a custom “Mrs. Seidl” detail on the bottoms. The bride-to-be paired the two-piece with an oversized white bow that featured her future initials: “B.S.”

Brielle shared yet another snapshot wearing a white crochet mini dress layered over the bikini, rocking the same bow with her hair tied up into a tousled pony as she stood in front of a sign that read, “Brielle’s Beach Bach.”

She kept the theme going into the evening, also modeling an ivory sequin-covered mini dress with glittering embellishment paired with a pearl choker-style necklace and open-toe heels.

“ya know, casual dress code for night 1 😝,” Brielle captioned a video on her grid.

Her sister Ariana Biermann showed love in the comments section, replying, “I CANT BREATH [sic].”

Brielle and Billy, 26, announced their engagement in February 2024 after he popped the question during a trip to Arizona.

Last month, Ariana, 24, exclusively told Us that she’s looking forward to her sister’s big day.

“I cannot wait. I’m her maid of honor, and I’m pumped, and I feel, like, so honored,” Ariana said, revealing that she helped Brielle’s fiancé with the proposal. “It was surreal. I was like, ‘I can’t believe you’re getting married, and, like, you found your person.’ It gives us hope.”

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