Coldplay enlist help of original Karate Kid star for new music video named after hit 1980s film
Chris Martin video called Ralph Macchio to help create a music video for 'The Karate Kid'. The 47-year-old singer heads up the rock band Coldplay and got in touch with Ralph, 63, when he decided to create a clip for the song that takes its title from the former teen star's most famous film.