After years of struggle, Harte entered the Raidió Teilifís Éireann (RTÉ) television show "You're a Star". The show set records for Irish TV ratings over the period of November 2002 to March 2003 and Harte came out on top, earning the opportunity to represent Ireland at Eurovision Song Contest 2003 in Riga. In Riga he performed "We've Got the World" (written by Martin Brannigan and Keith Molloy). He finished in eleventh place in the competition. "We've Got the World" reached number one on the Irish Singles Chart.