The Voice of Vietnam (season 4)
The fourth season of "The Voice of Vietnam" began on 12 February 2017. Thu Minh returned for her second season as a coach, while former "Vietnam Idol Kids" judge Tóc Tiên, "The Voice Kids" judges Noo Phước Thịnh and Đông Nhi joined the show, replacing Đàm Vĩnh Hưng, Thu Phương, Mỹ Tâm and Tuấn Hưng. This season marks the first time in "any" franchise of "The Voice" worldwide to have 3 female coaches and only one male coach. This season is hosted by Nguyên Khang, former host of "The X Factor Vietnam". Ali Hoàng  Dương won the competition on June 4, 2017, and Thu Minh became the winning coach for the second time. Coaches and hosts. After the finals of "The Voice of Vietnam season 3", Tuấn Hưng announced that he would not be returning for season 4 . In 2016, the show was not renewed for season 4 to make room for season 2 of "The X Factor Vietnam". Coach Đàm Vĩnh Hưng announced in 2016 that he would not return to judge any talent show for a period of time, thus ruled himself out of the show. By the end of 2016 rumors  stated that Đông Nhi would become a coach for the show's fourth season, after winning the Best Asian Artist Award of MTV EMA 2016 as well as season 4 of "The Voice Kids". In December 2016, Noo Phước Thịnh's manager stated that he had just signed a new contract to judge a new "big" show, which arose rumors that he would join "The Voice" as a coach, after judging "The Voice Kids". Hồ Ngọc Hà, an original coach, was also rumored to be returning to the show. Ending all rumors, on 4th January 2017 it was confirmed that  the coaches for season 4 are Tóc Tiên, Noo Phước Thịnh, Đông Nhi and season 1 winning coach, Thu Minh. Former host of "The X Factor Vietnam", Nguyên Khang will become the show's new host, replacing Phan Anh, while singer Tim will serve as the media backstage correspondent throughout the season. The advisors for each team at the battles are: Mỹ Linh (season 2 coach) for team Tóc Tiên, music producer Khắc Hưng and singer Trung Quân for team Thu Minh, Phương Thanh for team Noo and Thanh Hà for team Đông Nhi. Thanh Hà continued working with team  Đông Nhi for the Knockouts, while Siu Black (former "Vietnam Idol" judge), Hoài Sa (season 3 advisor) and Hồ Ngọc Hà (season 1 coach) served as advisors for team Tóc Tiên, Thu Minh and Noo for the Knockouts, respectively. The Battles. The battle rounds determine which contestant from each team is qualified for the Knockouts. Two (or three) contestants within a team are paired together to sing one song, but only one contestant is chosen for the live shows. There are no "steal" this season, but after the Battles are concluded, each coach can bring back an eliminated contestant from  their own team as a coach-comeback artist and compete in the Knockouts. After the Battles, each team will have 6 artists. Color key: The Knockouts. This season, the knockouts is brought back after being scrapped in season 3. After the Battle Round, each coach will have 6 contestants for the Knockouts and they will pair 2 artists for a "Knockouts". Each contestant will sing a song of their own choice, and their respective coach will decide the winner of that Knockouts. In addition, each coach is allowed to "steal" one losing contestant from another coach's team. Contestants who  either won the Knockouts or being stolen by another coach are qualified for the Live Shows. After the Knockouts, each team will has 4 contestants. Color key: Playoffs. Different from the previous 3 seasons, in this season, only the finals show is recorded live, whereas all the playoffs round are pre-recorded. The result are voted on in real-time by audience attending the show in the stadium. The rules are still similar to the past 3 seasons, which one (or two) artists received the most public vote will automatically advance to the next round, the coaches then choose one  artist from their team to move on to the next round and the other team member is sent home. In addition, the "Wildcard" twist, which appeared on many Vietnamese shows like "The X Factor Vietnam", "Sing My Song Vietnam", "The Face Vietnam" and "The Voice Kids" is brought in, where audience can vote for an artist who was previously eliminated before the final to come back and compete in the live finals on the website SaoStar.vn. Color key: Week 4 (May 21, 2017): Semifinals. Just like the past 3 seasons, in this round, one artist in each team with the  highest combined percentage from the public's vote and their coach's point is qualified for the final, while the other act is sent home but can be brought back via Wildcard. On Thursday, May 25, 2017, Ngô Anh Đạt from team Noo Phước Thịnh was officially announced as the Wildcard act and will return for the Live Finals after receiving the most votes from the audience in the "Wildcard" twist. However, since the Live Finals was recorded before the announcement was made, Ngô Anh Đạt will only perform his Finalist's single as well as the duet with his  coach, Noo Phước Thịnh in the Grand Finale show, and his performances are counted as competition performances. Week 5 and 6 (May 28, 2017 & June 4, 2017): The Finals. Just like season 3, the finals is a two-night episode. Night 1 featured the top 4's solo performances as well as their duets with guest performers and was pre-recorded, while Night 2 (The Grand Finale) featured the finalist (including the Wildcard artist)'s final songs as well as duets with their coaches and was broadcast live. The voting windows were opened from the end of Night 1 to  the end of the last competition performance of Night 2.