the soundtrack of the comedy film Taxi, em tên gì?. Tiên later became a prominent judge on the first seasons of Tài năng DJ and Vietnam Idol Kids in May, following her guest judging appearances on various television series. She also appeared as guest mentor on four episodes of The Face Vietnam first season and on its live finale aired in October. A string of musical releases served for Tóc Tiên's advertising campaigns were conducted afterwards. Dutch producer Afrojack and rap artist Suboi joined one of them, "Tâm điểm ánh nhìn (All Eyes on Us)", the trio's song for Budweiser released in December. Early in 2017, the singer became a judge on the first season of Mặt nạ ngôi sao—the Vietnamese version of the Korean singing competition King of Mask Singer—and a coach on the fourth season of The Voice of Vietnam. Her team's contestant, Hiền Hồ, won the latter show's second place and appeared with her on a duet titled "Hôn" in June. Tiên also released a few other singles throughout the year, including: "Em không là duy nhất" in February, which was successful, "Walk Away" in May, and "Hôm nay tôi cô đơn quá", a collaboration with Rhymastic, in August. She was awarded a 2017 Mnet Asian Music Award for Best Asian Artist in Vietnam in November, and a V Live Award for Best Iconic Star in January 2018, and was also included in the top five most favorite singers at the Làn Sóng Xanh Awards for the third consecutive year. "Hôm nay tôi cô đơn quá" later received both Single and Song of the Year nominations at the Làn Sóng Xanh and Dedication Music Awards, respectively. Her singles, "Thì em vẫn thế" and "Phút giây tuyệt vời", were released in February and April 2018, respectively. Artistry and public image From the start of her career, Tiên had a generally wholesome image as a teen idol. Quốc Bảo and Đỗ Bảo music along with pop jazz, blues and R&B were said to be her main inspirations. Nonetheless, she was better known for her teen pop sound with lyrics often having school-related imagery. The singer herself had expressed a wish to perform lyrically adult and mature songs, but her mother, who managed at the time, opposed the idea. In spite of this, her debut Nụ cười nắng mai still went for a more "grown-up" approach and was a departure