"Young & Dumb" is a song by Canadian singerAvril Lavigne and Canadian bandSimple Plan. It was released on May 9, 2025, throughBig Noise, as the support single for the second leg of Lavigne'sGreatest Hits Tour.[2] Simple Plan was announced as the opening act for the second leg of the tour and this collaboration is set to replaceAll Time Low's "Fake as Hell" as the joint performance piece during the live shows.[3]
Following the success of Lavigne'sGreatest Hits Tour in 2024, a second leg was announced for summer 2025.[4] In March 2025, Lavigne began teasing new music onInstagram by posting the lyric "I'm still thinking about that summer… when we had each other" along with the question, "Who'd want to hear a new song before the tour?".[5] On May 5, 2025, she shared another image featuring a new forearm tattoo that read "young & dumb".[5] Later the same day she revealed that a new collaborative single withSimple Plan, titled "Young & Dumb", would be released in support of the tour.[6] The two acts had previously toured together in 2003 during Lavigne'sTry to Shut Me Up Tour, supporting her debut albumLet Go, and reunited again on the 2024 Greatest Hits Tour.[2] In a social media post, Lavigne described the collaboration as "a full circle moment", highlighting their longstanding friendship and shared beginnings in the early 2000s Canadianpop punk scene.[6] On May 7, 2025, Lavigne and Simple Plan teased the song on social media with a clip featuring both artists lip-syncing their vocals on a tour bus.[1]
"Young & Dumb" was written by Lavigne along with members of Simple Plan, with production handled byJohn Feldmann.[7] The song has been described as an ode to nostalgia, friendship, and adolescence, aimed at listeners who grew up with both artists.[8] "Young & Dumb" is characterized as a percussion-driven throwback anthem that encapsulates thenostalgia of early 2000s pop-punk[1] and aims to capture a sense of nostalgia while celebrating the present and is dedicated to fans who have supported both artists for over two decades.[7]
The accompanying music video, released on May 9, 2025, features Lavigne and Simple Plan performing at a vintage motel, including scenes in an empty pool and playful antics around the property.[9]
