[5] Following her divorce, she found it "hard to run a business as a single mum" and worked as a jazz singer for 10 years, singing in clubs while her parents babysat.

[9][10] She filmed a pilot episode for her own interior design series, Blank Canvas with Shaynna Blaze, which aired on The LifeStyle Channel in April 2013.

[13][14] Buying Blind was a one-season show that aired in 2018 in which Blaze and two other experts purchase houses for couples who have signed over their life savings and given a list of requirements for their dream home.

It saw Blaze create a range of interior lighting and travel the globe to gather design inspiration from each place she visited.

[8][24] Her approach to design is "functionality of the layout is number one, then I look at the quality and suitability of the fixtures and surfaces, then the colours and styling at the end.

[28] Blaze has designed products for brands including Molmic, Urban Road, Harris Scarfe and One World Lighting.

[7] Blaze's hobbies include yoga, meditation, sketching, painting, reading and walking her pet border collie.

[3][25] Blaze is an advocate for women, and a social justice campaigner who has supported a number of organisations tackling domestic violence in Australia.

[30] With her children Carly and Jess as writers and co-directors, Blaze was the executive producer of The Fort, a 2021 feature film about a woman's battle to escape her abusive marriage while attempting to shelter her son from the realities of domestic violence.