Darren Stanley Hayes (born 8 May 1972) is a UK-based Australian singer-songwriter. Hayes was the frontman and singer of the pop duo Savage Garden, whose 1997 album Savage Garden peaked at No. 1 in Australia, No. 2 in United Kingdom and No. 3 in United States. It spawned the singles "I Want You", "To the Moon and Back", and Australian and US No. 1 "Truly Madly Deeply". The duo followed the success of their debut album with Affirmation (1999), which provided additional hits such as US No. 1 "I Knew I Loved You", and Australian No. 3 "The Animal Song". Savage Garden sold more than 23 million albums worldwide before parting ways in 2001.