Their debut studio album, The Secret Life Of..., was released in Australia in October 2005.

[4] Four additional singles were released from the album, including "Everything I'm Not" and "When It All Falls Apart", which reached the top ten in Australia and earned Gold certification.

Musically, Hook Me Up differs from its predecessor and features the genres of dance and electronic.

In the United States, "Untouched" became the first single by an Australian act to sell one million downloads.

[7] Hook Me Up also produced the top-ten hits "This Love" and "Take Me on the Floor",[4] both of which were certified Gold in Australia.