Taylor Swift is a “huge fan” of tourmate Benson Boone.In between surprise stage appearances with boyfriend Travis Kelce and selfies with the royals.

Earlier in the evening, the 21-year-old singer made his Eras Tour debut, dazzling the audience with hits from his debut studio album Fireworks & Rollerblades.

Swift will take the record-breaking Eras Tour to Dublin, where she’ll play three nights with sole opener Paramore, before bringing the show to several more countries in Europe.