Cozi Costi co-wrote and sang backing vocals on the song "Naughty Girl" by Australian singer Holly Valance in 2002.
[1] Among her vocal collaborations is the song "Baby When the Light" by French DJ David Guetta.
50 on the UK Singles Chart[2] and can be found on Guetta's 2007 platinum-selling album, Pop Life.
[3] Other vocal contributions include the songs "The Storm" by Jerry Ropero[4] and "Sensual" by PhonJaxx.
[5] Songwriting credits include Morcheeba's "Sweet LA", Alexandra Burke's "Beating Still", Nabiha's "The Enemy", "You", "Sound of My Gun" and "Ask Yourself", Bo Bruce's "Golden", Petula Clarke's "Everyword You Say", Junior Caldera's "Bang Bang" and "Just a Little Bit", Sucker DJs' "Fireworks", Alex Gaudino's "This Time" and Booty Luv's "Dance Dance".