Mac moved to Auckland at the age of 17 and signed a deal with Sony Music New Zealand in November 2009.
In November 2011, Mac's single "Girl In Stilettos" was released and certified double platinum.
In April 2012, Mac won an International Songwriting Award for original "Celia".
The single was to feature as part of a Deluxe Album release in early 2013 from Sony Music, but the edition was pulled.
[1] The collaboration led to Mac's production company Big House Records releasing a CD of 37 original songs, “The Kowhai Project”, in March 2021.