Olivia Rodrigo is 21 years young in thrilling ‘Guts’ tour opener

As her keyboard player slowly cycled through the chords of her song “Teenage Dream,” Olivia Rodrigo stood onstage Friday night and proclaimed that her nightmare hadn’t come true. Her songs on “Guts” — like the ones on her 2021 debut, “Sour” — channel the sense of injustice that defines being a teenager whom no one understands; even when the music is grappling with the specifics of Rodrigo’s overnight celebrity — as in “The Grudge,” which many have assumed addresses a falling-out with Taylor Swift — it seeks to make space for the universal outrage of having to deal with clueless parents and insensitive ex-boyfriends. Yet grow up Rodrigo certainly has: This tour, which will keep her on the road through a four-night stand at Inglewood’s Kia Forum in August, is a more elaborate affair than her first outing, with plenty of arena-gig spectacle — something she purposely avoided with “Sour,” playing mostly in smaller venues two years ago. Olivia Rodrigo’s 90-minute concert featured all the songs from “Guts” and all but a couple from “Sour.” For all its flash, though, the production never overwhelmed Rodrigo’s performance, which showcased her strong live vocals — her singing in “The Grudge” felt almost laser-guided — and her close, affectionate interplay with her seven-piece band, which consisted entirely of women and nonbinary people.