In November 2013, Allen recorded a cover of Keane's "Somewhere Only We Know" for the John Lewis Christmas advert with a portion of the song's sales earnings donated to Save the Children's Philippine Typhoon Appeal campaign. Released as a download single, it reached number one in the UK singles chart on 24 November. On 12 November 2013, Allen premiered the video for her new song "Hard Out Here" on her official website. The song was released as a download the following week and entered the UK singles chart at number 9, giving Allen two simultaneous top 10 hit singles. On 13 January 2014, the song "Air Balloon" was premiered on BBC Radio 1 and was released on 2 March 2014, as the second single from Allen's third studio album "Sheezus".