She began listening to the , , and other punk rock bands at the age of 12.
High Voltage Tattoo would serve as a means for Kat Von D to launch her own reality series which features tattoo stories of various clients.
Stewart was part of the judging panel at the Australia 2014 Short Film Festival.
Stewart was rewarded for her work as Billie Proudman in by winning Best Guest or Supporting Actress in a Television Drama at the 2014 , a nomination for Best Lead Actress in a Television Drama at the 2015 and nominations for the Silver Logie for Most Outstanding Actress in 2011, 2012 and again in 2014.