At the starting point of career, she competed Miss Vietnam 2006 in photo and finished in the top 10. Afterward, she entered entertainment as a model. She was rated to be one of the top potential contestant of Vietnam Supermodel 2008 as she later won the gold medal. She also received the award for the highest vote from the audience. She was a runner up of Miss Universe Vietnam 2008. She represented Vietnam for Miss Universe 2009 at Bahamas. She was one of the contestants to receive substantial support from the audience back home. Some experts and beauty forums stated that she was one of the strongest contestants from Asia. In the final night, she didn't make it to Top 15 Most Beautiful Contestants however. Now, She is one of big4 Vietnamese supermodels, along with Xuân Lan, Thanh Hằng and Vũ Hà Anh
A controversy made headlines when the Ministry of Culture passed a regulation that allowed only one national pageant to be held in one year. This year, 2009, the license was given to the Mrs. Vietnam contest. The Hoan Vu company, which organized the 2008 Miss Universe contest in Nha Trang, picked Hoàng Yến, who had been the 1st runner-up, to compete at Miss Universe 2009 in the Bahamas. In final night on August 23, 2009 she missed the first cut. No contestant competing from Asia made the first cut in Miss Universe 2009 and the first time since Miss Universe 1991.
F-Academy 2016
F-Academy Program is to search young models for Vietnam fashion industry specifically and for FashionTV channel of Asia-Pacific generally. She was a judge on the show. Later she announced her retirement from modelling to pursue DJing and singing. Therefore, her presence as a judge for this show gained much attention.
In 2017, she had a come back after long time hiatus on catwalk as she accepted to be consultant and judge of Vietnam's Next Top Model 2017 All Stars Season. She continued to collaborate with TV host Tung Leo and Miss Vietnam runner up Huyen My as a judge trio for the contest Goddess Trio 2017. After the attendance as a judge of Vietnam's Next Top Model 2017, she continued to work on Miss Universe Vietnam 2017. The organization gave a sneak peek for her attendance as a consultant as well as judge for catwalk segment of Top 70 Most Excellent Contestant from North and South. In the final night of Miss Perfect Global Beauty 2017 directed by director Le Viet was operated at Grand Theater of Entertainment Complex of 5 Star Hotel Grand Walkerhill Seoul, Korea in December 8th with the attendance of 30 Vietnamese girls who was living, studying an working at many countries all over the world. With the attendance of more than 300 guests, the contest ran smoothly to the very end. Vietnam Ambassador of Korea Nguyen Vu Tu and his wife also invited. The judge included Miss Businesswoman 2015 runner up CEO JollieD Mai Dieu Linh; actress, movie producer and Miss Global Fashion 1998 Truong Ngoc Anh; actor and TV host Phan Anh; supermodel and Miss Universe Vietnam 2008 runner up Vo Hoang Yen; fashion designer Nguyen Minh Quan; fashion designer - fashion professor Lie Sang Boong; chief editor of W Magazine Korea Lee Hye Joo and chief doctor Kim Sang Woo of Lavian Korea.
