Good Charlotte consists of Joel Madden, Paul Thomas, Billy Martin, Dean Butterworth and what current coach on "The Voice Australia"
Benji Madden Benjamin Levi "Benji" Madden (born Benjamin Levi Combs on March 11, 1979) is an American guitarist, vocalist, songwriter, and producer. He is the lead guitarist and backing vocalist for the band Good Charlotte, as well as pop rock collaboration The Madden Brothers. He formed both of these acts with his identical twin brother, Joel Madden. Benji is currently a coach on "The Voice Australia".
The X Factor (Australia season 4) The X Factor was an Australian television reality music competition, based on the original UK series, to find new singing talent; the winner of which received a Sony Music Australia recording contract and a new car. The fourth season premiered on the Seven Network on 20 August 2012 and ended on 20 November 2012. The winner was Samantha Jade and her winner's single "What You've Done to Me" was released after the final. Jade was mentored throughout by Guy Sebastian, who won as mentor for the second year in a row. The main live shows was presented by Luke Jacobz, while season three finalist Johnny Ruffo presented the digital live streaming show "The X Stream". Ronan Keating, Guy Sebastian, Natalie Bassingthwaighte and Mel B returned as judges.