2023 SI Swimsuit Rookie Ellie Thumann Pairs Designer One-Piece With Red Cowboy Hat

The model and YouTuber shared content on a boat with friends.
Ellie Thumann

Ellie Thumann.

Ellie Thumann is no stranger to pairing her swimwear looks with a cute cowboy hat. The 2023 SI Swimsuit rookie did just that in a recent TikTok clip, this time wearing a black Low Back One-Piece Swimsuit ($79) by GUESS with a coordinated red cowboy hat atop her head. She accessorized with layers of golden necklaces, including a simple gold key, hoop earrings and several rings on her fingers. 

In a follow-up post, the 21-year-old model and YouTuber wore the same beachy ensemble while on a boat with friends. Several of Thumann’s nearly 800,000 followers on the platform inquired where her hat was from. 

You can view the 2023 photo shoot for Ellie Thumann here.

Several days later, the model shared an image from her rookie photo shoot with SI Swimsuit, captured by Derek Kettela in Puerto Rico. She donned a navy bikini and chaps made of various shades of denim. 

“man this means a lot to me and has been a life changing experience to say the least,” she wrote in part of her caption.

Meet Ellie Thumann—read the 2023 SI Swimsuit rookie’s full feature profile here.

Get ready for the hottest event of the year! The 2023 SI Swimsuit Issue is out now, and you won’t want to miss the Swimsuit Issue Launch Party. Secure your tickets now and join us for an unforgettable weekend of glamour, beauty and fun.

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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.