In the 2001 film Not Another Teen Movie, Joel and the other Good Charlotte members made a cameo as the band at the school's prom.
They released the record "Greetings from California" on September 16, 2014.
The album title Greetings from California comes from a conversation that the brothers had over breakfast one morning where they were reminiscing over how far they had come since the days of making music in their bedrooms.
On November 23, 2011, Madden was confirmed as one of the four vocal coaches in the first season of the Australian version of the reality singing competition The Voice.
His brother, Benji Madden was later his mentor on the show.
In November 2007, Nicole Richie and Madden created The Richie Madden Children's Foundation.
The charity will create and promote an online registry to inspire the purchases of items for moms and their families in need. In 2010, with his brother, Madden contributed to "We Are the World 25 for Haiti," a remake of the song "We Are the World" by USA for Africa, written by Michael Jackson and Lionel Richie.
The Madden Brothers will sit alongside returning coaches Ricky Martin for his third season and Delta Goodrem returning after a one-year hiatus from the show.
Jessie J joined the panel, transferring from The Voice UK.
In 2013, Joel won the Logie Award for Most Popular New Male Talent for his role as coach on the program.
In 2015, Joel returned as a coach to The Voice as a duo with his brother Benji Madden.
Joel is featured in Blood on the Dance Floor's fifth studio album on the track "Incomplete and All Alone" released on June 19, 2012.