My Heart Will Go On' The crossword solution for the term DION, CELINE SONG is 'MYSELF', which is a 6 letter word. The song 'My Heart Will Go On' was written by James Horner and Will Jennings and performed by Canadian singer Celine Dion. It was released in 1997 as the main theme song for the blockbuster movie Titanic. The song became an international hit, topping the charts in many countries and becoming one of the best-selling singles of all time.