The shocking discovery happened during an interview with presenter Ali, in which the couple revealed their incredible experience.
Kyle and Brianna say that their journey began simply enough, with people noting on their strong similarity.
Intrigued by the striking resemblance, they agreed to meet at a party, where they soon connected over their common love of painting.
After sharing contact information, their relationship developed into a love one, and they finally decided to move in together.
However, it wasn’t until later that they discovered the awful reality about their familial relationship.
In the interview footage, Kyle and Brianna look obviously upset as they relate their travels and express their surprise at the unexpected turn of events.