Olivia Rodrigo shocked everyone at Lollapalooza 2025 by bringing out Weezer for a surprise collab on 'Say It Ain't So.' The internet is split: some fans are calling it the ultimate Gen Z x '90s crossover, while others say Olivia can't top the original. Is this the best Lolla moment ever, or did she miss the mark? Debate is wild! #Entertainment #Music #OliviaRodrigo