Posted on June 29, 2022June 29, 2022 by quizandanswers10Olivia Rodrigo sang a surprise duet at the Glastonbury Festival with which British pop star? Microsoft Rewards Bing Entertainment Quiz (6-29-2022): Olivia Rodrigo sang a surprise duet at the Glastonbury Festival with which British pop star? A Harry Styles B Dua Lipa C Lily Allen The correct answer to this quiz is Lily Allen.