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Olivia Rodrigo, Lily Allen At Glastonbury Festival

At her first Glastonbury festival on Saturday, Olivia Rodrigo made a statement by inviting a surprise performer, Lily Allen, to sing her 2009 smash song "F—- You."

Olivia Rodrigo/huffpost

The tribute is in response to the contentious overturning of the 1973 Roe v. Wade decision, which protected a woman's right to abortion.

Olivia Rodrigo/huffpost

A video of Rodrigo on stage with Allen from the concert was shared on social media.

Olivia Rodrigo/huffpost

She didn't mince words about the Roe v. Wade decision in front of the festival crowd.

Olivia Rodrigo/huffpost

- Olivia Rodrigo

"

“I’m devastated and terrified that so many women and so many girls are going to die because of this, I wanted to dedicate this next song to the five members of the Supreme Court who have showed us that at the end of the day, they truly don’t care about freedom.”

Olivia Rodrigo/huffpost

Just before dusk, Rodrigo spoke to the gathering at Worthy Farm in Somerset, South West England, to thunderous acclaim.

Olivia Rodrigo/huffpost

"We hate you!" Lily Allen exclaimed enthusiastically.

Olivia Rodrigo/huffpost

She walked across the platform as she began to perform the dance-pop hit she penned in 2009 about former president George W. Bush, and Allen erupted into a rendition of her well-known anthem.

Olivia Rodrigo/huffpost

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