Kills was featured on LMFAO's 2011 single, Champagne Showers, as well as on Junior Caldera's single Lights Out (Go Crazy) with Far East Movement. It was released on 13 March 2012. Kills also features in Tatana's single, You Can't Get in My Head (If You Can't Get in My Bed). Zombie, was used in an episode of Face Off (TV series)|Face Off.
Natalia Kills - 2010–12: Perfectionist
Kills had a number of unreleased songs (demos) that she never released. The most known out of all is the demo (dirty version) for Mirrors, which was futured in an unreleased E.P. called Perfectionist The Demos.
Super Junior-M - 2010–2011: Lawsuit, lineup changes and Perfection