Camille Kostek’s Mermaid Hair Tutorial Is the Perfect Style for Summer

The SI Swimsuit cover model filmed a clip as she got ready for date night.
Camille Kostek

Camille Kostek.

Camille Kostek recently shared her step-by-step everyday glam must-haves on TikTok, and we took copious notes. Next up, the 2023 SI Swimsuit Issue model gave her followers on the video-based platform the secrets for achieving her coveted wavy locks.

“I’m getting ready for a little date night with my boyfriend,” Kostek shared. “... I’m going to show you how I’m going to do my hair and it’s kind of like a little beachy vibe spot that we’re going to, and the hair needs to give beachy vibes.”

Using a Hot Tools Barrel Waver ($84.99), Kostek grabbed small sections of her blonde locks and worked the tool down her hair toward the ends. She repeated the process over her head of hair, noting that she doesn’t start with the styler up too close to her part.

Kostek finished her look by coaxing a few drops of Virtue Hydrating and Heat Protectant Healing Hair Oil ($44) into her wavy locks.

“Last minute mermaid hair 🏃‍♀️🧜‍♀️,” she captioned the post she shared with her 424,800 followers.

The model quipped that while her partner, former NFL tight end Rob Gronkowski, was going to hurry her along to leave soon, she hadn’t picked out her outfit yet. The couple’s dog, Ralphie, made a guest appearance in the video when the French Bulldog stole his mom’s hair scrunchie.

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Cara O’Bleness


Cara is a trending news writer/editor for Sports Illustrated Swimsuit. A passionate writer and editor with more than 10 years of experience in print and online media, she loves storytelling and believes that words have the power to change the world. Prior to joining the team, Cara worked as a writer and editor across a number of content verticals, including food, lifestyle, health and wellness, and small business and entrepreneurship. In her free time, Cara loves reading, spending time with her family and making her way through Michigan’s many microbreweries. She is a graduate of Michigan State University's School of Journalism.