In "The Four Guardians", Ky Duyen plays Karen - a talented, wealthy, and attractive businesswoman. She has a crush on Quoc Anh and plans to make him break up with his girlfriend and marry her.
Ky Duyen's transformation surprised the audience, commenting that the 9X beauty queen played her role well, showing the character's cunning.
Nguyen Cao Ky Duyen was born in 1996, from Nam Dinh, and was crowned Miss Vietnam 2014 while still a student at the Foreign Trade University in Hanoi. After being crowned, Ky Duyen stopped studying at university.
She works as a model, working in the fashion industry. In many performance events, she was chosen as the vedette.
In 2017, Ky Duyen became a coach on The Look - Brand Beauty and a judge on Vietnam Supermodel at the age of 22.
By 2022, Ky Duyen will continue her role as a coach at Miss Fitness - Miss Sports and The Face Brand Face.
In 2023, she was crowned Miss Universe Vietnam and represented Vietnam at Miss Universe. In the end, she entered the top 30 and won the "Best National Pageant" award.
In private life, Ky Duyen and Minh Trieu have had a close relationship that has attracted attention for many years.
Ky Duyen and Minh Trieu have been suspected of having a relationship that is more than friends since 2018. At that time, the two constantly wore matching outfits, traveled together, and took intimate photos.
On the occasion of Tet 2023, Minh Trieu went to Hanoi to celebrate Tet with Ky Duyen's family. After that, the 9x beauty queen also returned to her hometown to visit Minh Trieu's family in Phu Yen.
The two beauties said that, during many years of being close friends, they kept the habit of visiting each other's families on Tet or when they had schedules in Hanoi or Phu Yen.
In 2019, Ky Duyen and Minh Trieu participated in the show "Amazing Couple". This was the first reality show that both of them participated in. The close friends had many emotional moments and were often rumored to be secretly dating.
In a photo posted with her best friend, Ky Duyen wrote: "The things we thought we couldn't bear when we were young, we have endured. The things we thought we couldn't lose when we were young, we have lost, just don't let us lose each other."
On anniversaries, both of them always buy gifts and send each other sweet messages.
By 2024, Ky Duyen was suspected of having a rift and was no longer close to Minh Trieu. The two did not interact on social media, avoided each other at events, and did not mention each other.
Currently, Ky Duyen is secretive about her personal life and love life after the scandal with Minh Trieu. In 2024, Ky Duyen will focus on her career by participating in Miss Universe Vietnam, Miss Universe World, and Tran Thanh's Tet movie.