Overview

• Their reunion took place on June 15 during Avril Lavigne’s headlining set at the Vans Warped Tour in Washington, D.C.
• They performed Sum41’s classic “In Too Deep” together for the first time since their 2010 divorce.
• Lavigne and Whibley have preserved an amicable friendship post-divorce, as reflected in their backstage smiles and social media tributes.
• Whibley’s recent bouts of COVID-19 and pneumonia strained his heart and forced Sum41 to cancel several December 2024 tour dates.
• Sum41 retired in early 2025 after releasing their final album “Heaven :x: Hell,” making this duet Whibley’s first public appearance following retirement.