Ruby Frost (born Jane de Jong) is a New Zealand pop recording artist from Auckland, New Zealand. In 2009, she won the nationwide music competition MTV 42Unheard, giving her a recording contract with Universal Music New Zealand. Since then she has performed showcases at CMJ in New York and The Viper Room in LA; toured with Mt Eden, Cut Copy, Evermore and Van She;and opened for acts including Diplo, Nero, Kimbra, Digitalism and Garbage.She was one of the four judges in season one of The X Factor NZ, and was the runner-up mentor when her act Whenua Patuwai came second in the competition.