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."
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The victims were playing the popular game in Whittington Park in Holloway on Tuesday night, when three males suspects approached them.
A former Royal Marine who has recently been engaged has been killed in a climbing accident in the French Alps.
Through the day we'll see plenty of sunny spells but there will be a risk of showers too as they filter down from the northwest.