Camila Cabello and Machine Gun Kelly will also perform
Lavigne, who also made it in her late teens, hailed the star's "honest voice"
The awards show also featured performances from SB19, Leanne & Naara and more
Rodrigo said she was "flattered" to know that Love is aware of her work
Rodrigo's 'Drivers License' no longer holds the 2021 record
"Olivia RodriGo to the vaccine clinic”
The singer was encouraging her young fans to get vaccinated
Director Petra Collins and stylist Devon Carlson were also photographed with the two singers
The writers have been credited for the song's verse, which Rodrigo previously admitted takes inspiration from Swift's 'Cruel Summer'
Despite another wonky year, these rising artists have made essential first statements