Bryniebooo, whose full name is Bryn Sato, is a popular TikTok star renowned for her engaging hairstyle videos on her bryniebooo TikTok account. Since posting her first TikTok video in December 2019, she has amassed over 1.8 million followers with her lifestyle and vlog content. One of her notable early successes was a video featuring her mom and grandma dancing, which garnered over 1 million views. Beyond TikTok, Bryniebooo has ventured into merchandising, selling tees and tote bags through her Bryniebooo Merch web shop.