"Undercover Lover" is a song by welsh rock band Kids In Glass Houses, serving as the third single from their second album, Dirt. The single features The Saturdays singer Frankie Sandford and was released as a digital download on 13 June 2010 with the CD single released the following day. Background The song features The Saturdays singer Frankie Sandford. The track is about two people (Frankie Sandford and Aled Phillips in the music video) are secretly in love with one another, but do not want to show it. Chart performance After receiving strong radio airplay throughout May 2010, "Undercover Lover" debuted on the UK Singles Chart at number 161 on 30 May 2010 before climbing to number 119 on its second week on the chart. The single then climbed to number 76 on its third week in the chart, before climbing 14 places to its current peak of number 62 upon physical release on 20 June 2010, marking the band's most successful single alongside "Give Me What I Want"' which also reached number 62 in May 2008. Track listing Digital download Charts References 2010 singles 2009 songs Roadrunner Records singles Songs written by Jason Perry (singer) Kids in Glass Houses songs