Singer Ho Quynh Huong
She is the third Vietnamese singer to win the award, joining My Tam, who won in 2012, and Thu Minh, in 2013.
MAMA is an annual regional music industry event to honour Asian musicians. Since its inception in 1999, MAMA has gained recognition as East Asia's equivalent to the US Grammy awards.
The awards ceremony featured performances by many South Korean bands, such as G-Dragon, Taeyang (Big Bang), EXO, Tiffany (SNSD), 2PM, Block B, Sunmi, WINNER and SISTAR and US star John Legend.
Other categories of the prize include the best male band, which went to EXO. Best female band was won by SISTAR.
While 21-year-old Korean songstress IU, a MAMA debutante, took the awards for best female artist and most popular vocalist for 2014. Taeyang, who made his debut with K-pop boy band Big Bang, won best male artist for his solo work.
What the stars mean:
★ Poor ★ ★ Promising ★★★ Good ★★★★ Very good ★★★★★ Exceptional