"Free" is a song by English recording artist Natalia Kills from her debut studio album, Perfectionist. Written by Kills, Jeff Bhasker, Kid Cudi and No I.D., produced by Bhasker. Lyrically, the song discusses materialism, consumerism, and obsessions with glamour and wealth. It was released digitally in Europe and the US as the album's third single in June 2011. The song was released as the second single in the UK on 11 September 2011.

"Champagne Showers" is a song performed by American EDM/electro hop recording duo LMFAO, featuring vocals from English singer-songwriter Natalia Kills. It was released as the second single from the album Sorry for Party Rocking (2011). This song was an international hit in New Zealand, Australia, France, Ireland and Austria, peaking #8, #9, #12, #15 and #18 respectively. This song was also in the Australian Top 50 for 27 Weeks and in the French Top 200 for 50 weeks.