The singer-songwriter is now among celebrities making most of the novel app.
Avril Lavigne made her TikTok debut recently, making it special for fans jamming to her iconic hit "Sk8er Boi."

And she tapped a special guest, too.
It's none other than skateboarding legend Tony Hawk.

The video opened with Avril singing the song's second verse.
During the chorus, Tony is seen showing off his skateboarding skills.
The effort is a huge hit.
It has garnered over two million likes as of writing.
The singer also shared photos of herself with Tony on her Facebook page, calling Tony "legendary."