Avril Lavigne and Deryck Whibley Reunite Onstage for Surprise Performance

The former couple delighted fans with a duet of Sum 41's 'In Too Deep' during Lavigne's Greatest Hits Tour in Las Vegas.

Avril Lavigne and Deryck Whibley, who divorced in 2009, performed together at the MGM Grand Garden Arena.
Lavigne introduced Whibley as a special guest, surprising the audience with their collaboration.
The two shared hugs and positive interactions, showcasing their amicable relationship post-divorce.
Fans expressed excitement and admiration for the unexpected reunion on social media.
Sum 41 is currently on their farewell tour, while Lavigne continues her Greatest Hits Tour.