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 [vi], Mỹ Tâm and Tuấn Hưng [vi]. 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.

After the finals of The Voice of Vietnam season 3, Tuấn Hưng [vi] 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.^[1] In December 2016, Noo Phước Thịnh's manager stated that he had just signed a new contract to judge a new "big" show, which stoked 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.^[2] Ending all rumors, on 4 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.^[3] 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.

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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.

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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.

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More information Episode, Coach ...

Episode	Coach	Order	Song	Artists		Song	'Steal' result
				Winner	Loser		Tóc Tiên	Thu Minh	Noo	Đông Nhi
Episode 9 (April 9)	Đông Nhi	1	"Người đàn bà hóa đá"- Bức Tường	Nguyễn Thạc Giáng My	Thái Bảo Trâm	"Note to God"- JoJo	—	—	—	—
	Tóc Tiên	2	"Vội vàng"- Tạ Quang Thắng	Nguyễn Dương Thuận	Đặng Tuấn Phong	"Vì mất đi ánh mặt trời" - Trung Quân Idol	—	—	—	—
	Noo Phước Thịnh	3	"Rơi" - Hoàng Thùy Linh	Nguyễn Hiền Mai	Nguyễn Anh Phong	"You Raise Me Up"- Secret Garden	—	—	—	—
	Thu Minh	4	"Lạc nhau có phải muôn đời" - Erik St.319	Ali Hoàng Dương	Đào Trọng Tín	"Anh đã quen với cô đơn" - Soobin Hoàng Sơn		—	—	—
Episode 10 (April 16)	Noo Phước Thịnh	1	"Giọt nắng bên thềm" - Thanh Lam	Ngô Anh Đạt	Han Sara	"Thương ca Tiếng Việt" - Mỹ Tâm	Team full	—	—
	Thu Minh	2	"City of Stars" - Ryan Gosling ft Emma Stone	Trần Anh Đức	Phạm Văn Minh	"Chuyện của mùa đông" - Hà Anh Tuấn		—	—	Team full
	Tóc Tiên	3	"Tell Me Why" - Tóc Tiên	Huỳnh Phương Mai	Hoàng Mỹ Linh	"Fade"- So Hyang		—	—
	Đông Nhi	4	"Anh ghét làm bạn em" - Phan Mạnh Quỳnh	Nguyễn Anh Tú	Ngọc Kayla	"I will show you" - Ailee		—	—
Episode 11 (April 23)	Tóc Tiên	1	"Lang thang" - Phương Thanh	Hiền Hồ	Phạm Hải Anh	"Thăng hoa" - Trần Thu Hà	Team full		—	Team full
	Noo Phước Thịnh	2	"Nỗi đau ngự trị" - Lệ Quyên	Phan Thị Thanh Nga	Lương Minh Trí	"Lá diêu bông" - Trần Tiến		Team full	—
	Đông Nhi	3	"Tiếng đêm" - Hoàng Thùy Linh	Trần Thị Huyền Dung	Đặng Thị Thu Hà	"Tôi là ai" - Đinh Hương
	Thu Minh	4	"Gửi anh xa nhớ" - Bích Phương	Trần Tùng Anh	Phạm Thị Mỹ Linh	"Tâm sự với người lạ" - Tiên Cookie			Team full

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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.

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• Đặng Tuấn Phong, Nguyễn Ngọc Duy and Phan Tuấn Anh competed on season 7 of Vietnam Idol and finished in top 12, top 16 and top 33, respectively.
• Thái Bảo Trâm competed on season 3 of The Voice of Vietnam and reached the quarterfinals (Top 12).
• Phan Thị Thanh Nga was on The Winner Is... but was eliminated at the battles. She was also placed second on Tiếng ca học đường 2011.
• Hiền Hồ competed on season 2 of The X Factor Vietnam and was eliminated at the Four-chair Challenge stage.
• Lương Minh Trí competed on season 1 of The Voice of Vietnam and joined team Trần Lập, but was defeated in the battle by Nguyễn Kiên Giang, a finalist of that season.
• Phạm Chí Huy placed 12th on season 2 of The X Factor Vietnam.
• Nguyễn Ngọc Phát competed on season 2 of The X Factor Vietnam as part of the band Fire. The group was eliminated at the Judge's House round.