She has had 12 #1 singles on the Oricon singles chart and has sold over 50 million records total worldwide. The Japan Times called her the most influential artist of the decade in 2009. She contributed to the theme songs for Square Enix and Disney’s collaborative video game series Kingdom Hearts: “Simple and Clean” and “Sanctuary”. Her 2007 single “Flavor of Life” hit #2 for worldwide digital downloads with more than seven million. She married Kazuaki Kiriya in 2002 but divorced in 2007. Hikaru married Francesco Calliano in 2014.