Belsize Park is an affluent residential area of Hampstead in the London Borough of Camden, England.

"Kayleigh" is a song by British neo-prog band Marillion. It was released as the first single from the concept album Misplaced Childhood. It is the band's most successful single in the UK, where it peaked at number two and stayed on the UK Singles Chart for a total of 14 weeks. It also became the band's most successful single worldwide, reaching the top 10 in Ireland, Norway, and West Germany. In the United States, it gave the band their sole appearance on the Billboard Hot 100 chart, reaching number 74 in October 1985.