"Christmas Lights" is a song by British alternative rock band Coldplay released on 1 December 2010, as a digital download. Described by the band as "a mid-tempo number" in the key of G major, the song was released to very positive reviews. The cover art is by Yu Matsuoka Pol.

The single's release date was announced through the official Coldplay website on 24 November 2010. A countdown in minutes and seconds to 1 December 8pm GMT, appeared on the homepage of the website, accompanied by an animated GIF of the album art.

Coldplay released three 'making-of' videos through their iTunes Ping page, showing the creation of the music video. Another video was also released on their website, giving a preview of the music video and the song itself, plus more 'making-of' footage.

It was originally thought that "Christmas Lights" would be a song from the band's fifth studio album Mylo Xyloto, but this was confirmed not to be the case by Coldplay's official fan-question answer system The Oracle on two separate occasions.

For the week ending 18 December 2010, "Christmas Lights" both debuted and peaked at position number 25 on the U.S. Billboard Hot 100 singles chart and position number 12 on Billboard's Hot Digital Songs chart.

The discussions about the video started about one month before its release. The original plan was to film a simple video at Oxford Street, as the place is mentioned in the song's lyrics. After that many other options were analysed, like a similar video to The Beatles' video for "All You Need Is Love", with the band and friends at the studio. But that idea was left out as Coldplay were in the middle of the production of Mylo Xyloto, and that could disrupt the flow of the recording. Another idea for the video included filming at the Willesden Music Hall. Finally they decided to invite the designer Misty Buckley to the project and the ideas for the final video started to take shape. After a meeting at the studio called The Bakery all the ideas had been set up and the only thing missing was the location for the shooting. Some places suggested were the tunnels under Waterloo and the roof of John Lewis. However they opted for the South Bank just five days before the shooting of the video, to tie in a line about the meeting of the sea and the city.

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