Travis Kelce's podcast New Heights saw a sharp rise in subscribers after his longtime partner, Taylor Swift , made an appearance on the show, drawing millions of views and new attention to the NFL star's media ventures.

The episode featuring Swift, released August 14 on YouTube, has already surpassed 15 million views and helped drive more than 500,000 new subscribers to the podcast , according to tracking site Social Blade. The podcast's YouTube channel now boasts more than 3 million subscribers.

Hosted by Travis Kelce and his brother Jason Kelce, the podcast was already one of the most popular athlete-led shows in the U.S., but Swift's appearance has sent its growth into a new tier.

The surge in numbers reflects Swift's ability to mobilize her global fan base and connect the

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