[5] Green studied medicine at the University of Cape Town, graduating with a medical degree in 2019.
[9] Green was initially announced as one of the 28 regional qualifiers for Miss South Africa 2018 in April 2018.
[11][12] During the final competition, Green advanced into the top five and then into the top two, where she was crowned Miss Universe South Africa 2018 by outgoing titleholder, Demi-Leigh Nel-Peters, becoming the South African representative in Miss Universe 2018.
During the final word round, each delegate was asked the same question: "What is the most important lesson you've learned and how will you apply it to your time as Miss Universe?"
[19]Green married businessman Ze Nxumalo in April 2022 at the Quoin Rock Wine Estate in Stellenbosch.