It surpasses Harry Styles' "Aperture" which previously held 2026's record.

Taylor Swift at the 55th Annual Songwriters Hall of Fame Induction and Awards Gala held at the Marriott Marquis Hotel on June 11, 2026 in New York, New York.

John Nacion/Variety

Taylor Swift’s “I Knew It, I Knew You” has earned 2026’s biggest sales week in the U.K. as it enjoys a second week at the summit (June 19).

The song debuted at No. 1 in its opening week last Friday (June 12) to give Swift her seventh chart-topper on the Official Singles Chart. Now following the release of limited-edition CD and vinyl editions, the song has surpassed that debut to 71,000 chart units and is now the biggest sales week of 2026, overtaking overtakes Harry Styles’ “Aperture” which scored 70,000 back in January.