Canadian-American singer, model and actress, born 28 August 1984 in Toronto, Ontario, Canada and perhaps best known as one of the lead singers for The Pussycat Dolls As a solo artist, Kaya has worked with artists such as Britney Spears, Mick Jagger, D12, R.Kelly, Dada Life, Eminem & Katy Perry, and she has also developed the Hollywood Doll brand, which designs and manufactures a line of fashion, candy and beauty products for young girls.