"Don't Worry" is a song by Canadian music duo Appleton, taken from their debut album, Everything's Eventual. Produced by Craigie Dodds, it was released as the album's second single on 10 February 2003. The song peaked at number five on the UK Singles Chart in its first week of release before dropping out of the top 10.
The "Don't Worry" video shows Natalie and Nicole Appleton playing with a magic chair which can bend a long way without falling. Near the end of the video, Natalie appears to have Nicole in a headlock.
"Don't Worry" was used from 2003 onwards as the music for the Galaxy chocolate bar advertisements.