On the new Billboard Pop Shop Podcast, Katie & Keith are talking about Swift's trio of buzzy Wembley Stadium shows, including Travis Kelce's onstage debut and a galaxy of A-listers in attendances (including Paul McCartney and Tom Cruise). Plus, there's chart news about Sabrina Carpenter scoring her first No. 1 on the Billboard Hot 100 with "Please Please Please" and Swift holding atop the Billboard 200 albums chart for a ninth straight week with "The Tortured Poets Department."

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