Reece John Phillip Mastin (born 24 November 1994) is an English-born Australian singer and songwriter who won the third season of The X Factor Australia in 2011.

In 2015, Mastin parted ways with Sony and signed with independent label Social Family Records.

[4][5][6] Mastin has three sisters,[5] including Georgina who auditioned for the fifth season of The X Factor Australia but got eliminated in the home visits round.

[11] Following his win on the third season of The X Factor Australia in 2011, Mastin withdrew from his high school and said that he would hire a mentor to help him finish Year 12.

On 24 November 2011, the song sold an average of one copy every 2.7 seconds, becoming the fastest selling digital single by an artist signed to Sony Music Australia.

[15] "Good Night" debuted at number one on the ARIA Singles Chart and was certified five times platinum by the Australian Recording Industry Association for sales of 350,000 copies.

[18][19] Mastin's self-titled debut album, which features "Good Night" and selected songs he performed on The X Factor, was released on 9 December 2011.

[18][22] To promote the album, Mastin embarked on his first headlining Australian and New Zealand concert tour in December 2011.

[28][29] On 21 September 2012, Mastin released a 40-minute documentary on DVD titled, Behind Closed Doors, which featured interviews from his close friends and family, his X Factor mentor Guy Sebastian, as well as early footage and photos of Mastin as a child, and his music videos thus far.

[30] Behind Closed Doors debuted at number one on the ARIA Music DVDs Chart and was certified platinum.

[1] In February 2015, it was announced that Mastin had parted ways with Sony Music Australia and signed with independent label Social Family Records.

In May 2016, Mastin travelled to Los Angeles after being chosen by APRA/AMCOS to take part in SongHubs, which aims to connect local and international songwriters.