"I'm so excited for everyone to watch," the pop star told Billboard on the red carpet.
The "Vampire" and "Good Luck, Babe!" singers surprised fans with a duet on the Guts World Tour.
Rodrigo inviting the '90s alt greats to be part of her story helps stitch together a rock timeline that never should have been interrupted -- and makes for an emotionally overwhelming live experience.
The pop star welcomed Noah Kahan to the stage and spotted a High School Musical castmate in the crowd on April 5.
For the singer's upcoming Guts tour, her team has created an innovative plan to get cheap tickets into the hands of real fans.
