Pop's biggest showgirl put on one of YouTube's biggest shows Wednesday, with Taylor Swift pulling in a record-high amount of live viewers with her debut on Travis and Jason Kelce's New Heights podcast.

Since nothing Taylor Swift ever does is small, her two-hour conversation with boyfriend Travis Kelce and his brother Jason Kelce on their “New Heights” podcast is a watershed moment for a media forma...

"I give The Eras Tour credit," Travis told Swift in the episode. "Because if I had never gone to that show and just been mesmerized and just been captivated — and then left with such a desire to want...