"Peak Lolla moment": Internet reacts to Olivia Rodrigo and Weezer's "Say It Ain't So" performance at 2025 Lollapalooza

When Olivia Rodrigo paused her headlining 2025 Lollapalooza performance and asked the crowd, "Is this anyone's first concert?" the audience cheered. Then the Vampire singer said,

"You always remember your first concert. I remember mine. I watched this incredible band… and they are actually here tonight. Will you please say hello to Weezer!"

Then, Rivers Cuomo and his bandmates walked onstage and Day Two of Lollapalooza 2025 got one of its most viral moments: a Gen Z pop star and a '90s alt-rock act joining forces to perform Weezer's classics "Buddy Holly" and "Say It Ain't So."

Internet reactions to Olivia Rodrigo performing Say It Ain't So with Weezer

Pop Base took to its official X (formerly Twitter) page to share:

"Olivia Rodrigo and Weezer performing 'Say It Ain't So' at Lollapalooza."

Fans did not wait long to jump into the comment section of the X post as they penned their remarks. Below are some of the reactions:

"Rivers Cuomo and Olivia Rodrigo on the same stage… peak Lolla moment." declared one fan.

"Great cover but no. The OG will never be topped. Awesome live cover though," penned another.

"Olivia Rodrigo and Weezer together at Lollapalooza? That's such a cool crossover! I love how she is bringing back those classic rock vibes with her own twist. The energy must have been amazing!" stated a third.

Others also chimed in:

"Olivia is a taydaughter in the sense that she also loves to bring artists she has loved growing up on stage with her. But what I love about her is that she has a bit of a rock edge and has really cemented herself as the biggest pop/rock crossover that we have seen in a long time!" opined an X user.

"I love seeing rodrigo and weezer trending and being like "oh i should not get my hopes up, it's probably not a collab" and then clicking it and it actually is a collab," commented another.

"Why does not she ever harmonize when she does stuff like this? Was the same with No Doubt at Coachella she just hopped on the melody, ends up sounding so flat," noted a third.

Olivia Rodrigo's 2025 Lollapalooza setlist

As reported by Setlist FM, the complete setlist from her Lollapalooza 2025 performance is as follows:

• We Got the Beat (Go‐Go's song)
• obsessed
• ballad of a homeschooled girl
• vampire
• drivers license
• traitor
• bad idea right? (extended outro)
• love is embarrassing
• pretty isn't pretty
• happier
• enough for you
• Buddy Holly (Weezer cover) (with Weezer)
• Say It Ain't So (Weezer cover) (with Weezer)
• so american
• jealousy, jealousy (preceded by band introductions and instrumental solos)
• lacy
• deja vu

Encore

• Ring of Fire (Video interlude)
• brutal
• all-american bitch (Extended outro)
• good 4 u
• get him back! (Extended outro)

This was Olivia Rodrigo's first time headlining Lollapalooza. The 22-year-old singer made her breakthrough in 2021 with "Drivers License" and followed it up with two acclaimed albums, SOUR and GUTS.

Also Read: "That is so not a concert song": Internet reacts as Doechii performs "Anxiety" at 2025 Lollapalooza

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