He later helped write the songs "Amnesia" for pop rockers 5 Seconds of Summer and "No Ordinary Girl" for pop artist Kalin and Myles.He has appeared as a back-up vocalist for artists such as Mx Px, Kill Hannah, Apoptygma Berzerk, Mest, The 69 Eyes, Sean Kingston, Three 6 Mafia, Chamillionaire, and Matisyahu.Diaz, wearing a white shirt and white skinny jeans, was spotted hugging the super-yacht's staff and crew, and the happy twosome were later photographed holding hands as they departed in a speedboat., which also stars Jason Segel.Jake Kasdan's new movie features stars Diaz and Segel as a couple who film a sex tape to spice up their love life, only for the erotic footage to leak online.
He also had romantic love affairs some one of his fans.
In 1996 Madden started a band with his twin brother Joel named Good Charlotte. While still playing in Good Charlotte, Madden and Joel wrote and produced for other artists.
Madden was a co-writer and co-producer of some of the songs on Hilary Duff's Most Wanted (2005) compilation album.
Doolittle later revealed that she used their split as inspiration for her second album Former Playboy playmate and ex-girlfriend of Hugh Hefner Holly Madison described Madden as "hot, sweet and smart" when they briefly dated in late 2009.
Despite rumours that they were moving in together, they split soon afterwards in early 2010.
They are one of the loving spouses in the Hollywood.