[1] Prior to competing in Miss South Africa, Montjane participated in Miss Earth 2007 held in Quezon City, where she obtained the Beauty for a Cause award and placed as one of the Top 16 semifinalists of the competition.

[3] Montjane, who stands 1.75 m (5 ft 9 in) tall, competed as one of 12 finalists in her country's national beauty pageant, Miss South Africa,[4] held in Sun City on 12 December 2010, where she became the eventual winner of the title, gaining the right to represent South Africa in Miss Universe 2011 and Miss World 2011.

[5] She was the second African woman to compete in all Big Four pageants, after Cynthia Kanema of Zambia.

Montjane spoke to young people at the YCAP Nationals in 2019 to encourage them to engage and help within their own communities.

You guys are here, because you have answers to the problems that are taking place in your communities for a reason: because you're able and you're capable."