The law graduate was born in Cape Town in 1983 and grew up in Port Elizabeth. Her father, Barry Steenkamp, is a high profile horse trainer within the country.
The model became the face of Avon cosmetics in South Africa after moving to Johannesburg, having previously fronted campaigns for FHM, Toyota, Clover and Italian brand Zui.
Her Facebook account said she had a "passion for cars and cooking."
More top news
A severe storm has caused flash flooding in the popular Spanish holiday resort of Malaga.
NHS trusts in England reported a third-quarter year-end deficit of £886 million against a target year-end deficit of £580 million.
Former Leeds United starlet Elliot Kebbie is now starting his career once again, at the age of 22, after years of setbacks.