The couple was seen holding hands at a traditional event organized by the Peranakan Association of Thailand on May 12.
Many social media users lauded their coordinated appearance and apparent happiness.
This occasion is one of many where the model and her husband have been spotted together.
Photos of the couple during their outings often appear on Nong Poy’s social media, attracting much admiration.
Many of her followers have remarked that her beauty has blossomed since her marriage, and her fashion sense has received high praise.
Born Poy Treechada, the 38-year-old model underwent gender-affirming surgery in 2003. She subsequently won the 2004 Miss International Queen contest.
In addition to her modeling career, she is recognized as an actress and entrepreneur.
She became the first Thai transgender person to appear on TC Candler’s list of the 100 most beautiful faces in 2015.
Her husband Hongyok, 42, is the heir to a restaurant, coffee, and tourism service company in Phuket.