Avril Lavigne Celebrates 40th Birthday with Rock Icon Billy Idol

On September 25, 2025, Canadian pop-punk icon Avril Lavigne celebrated her 40th birthday early by joining legendary rock star Billy Idol on stage at his concert in Los Angeles. The two artists, who recently collaborated on Idol's latest album "Dream Into It," delivered a thrilling duet performance of their track "77" for the enthusiastic audience.

Lavigne, who is now 39 years old, appeared on stage wearing a stylish black ensemble, including a shearling maxi coat and black tights. She sang passionately alongside the 69-year-old "White Wedding" hitmaker, who was dressed in an all-black outfit featuring a leather vest with chains.

In an exclusive interview, Lavigne expressed her excitement about working with the "Hot in the City" artist, calling him a "true legend" in the rock genre. She also revealed that she has an upcoming collaboration with another iconic rocker, Bon Jovi, on their forthcoming album "Forever (Legendary Edition)," set to release on October 24.

Adding to the celebratory atmosphere, Idol surprised Lavigne with a birthday cake backstage, further delighting the pop-punk star on her milestone birthday. The event was also attended by Joan Jett, who has been opening for Idol on his North American tour, marking the first time Lavigne met the legendary "Bad Reputation" singer.