Hazardous is the fourth studio album by Vanessa Amorosi, released in Australia on 6 November 2009 to critical and commercial success, debuting at number 7 on the ARIA Albums Chart and Gold accreditation in Australia. The album's lead single, "This Is Who I Am", became Amorosi's first and only number one-charting single, reaching number 1 on the ARIA Singles Chart in its first week of release.