Katie Austin Sports a White Triangle Bikini for Her Hawaiian Birthday Vacation

The fitness influencer is celebrating her special day in style.

Katie Austin.Manny Hernadez/Getty Images

Katie Austin turns 30 years old today and, in lieu of a birthday party, is celebrating her big day while relaxing alongside her fiancé Lane Armstrong in Hawaii. She took to TikTok to admit that, while she always envisioned hosting a big bash for the milestone birthday, she found that as the day got closer, a much more simple celebration was in order.

Austin has been sporting her vacation best while away in the Caribbean country. For trips to the beach and afternoons under the sun and in the hot tub, the SI Swimsuit model has donned sevreal chic bikinis. In a TikTok that she shared on Oct. 1, the fitness influencer wore a white string bikini and danced around in a hot tub as her fiancé sat calmly beside her.

Austin’s birthday has brought her a lot of excitement, which she has taken to her social media to share. But it has also brought her some unexpected life changes. For one, rather than a big celebration, “all I wanted to do is wake up on vacation with my fiancé,” she wrote alongside the short clip. More than that, she has found that the older she gets, the more she wants to relax. “entering a new decade wanting to party less and less what is happening!!!” she wrote in the caption.

Though she may be less inclined to party now, Austin will certainly be celebrating big time for her wedding ceremony next May. But for now, she will be relaxing and enjoying her quiet birthday celebration alongside her fiancé.

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