Bruno Mars and Lady Gaga have been independently ruling pop radio for the past almost 15 years, and last week, they finally came together for their first collab: the bombastic pop/rock duet “Die With a Smile.”

Related

On the new Billboard Pop Shop Podcast, Katie & Keith are talking about why they make such a potent pop duo. Plus, we’re also chatting about F-1 Trillion, Post Malone’s first country album and why it’s such a seamless fit in the genre.

Also on the show, we’ve got chart news how Taylor Swift meets Carole King in the chart history books as The Tortured Poets Department spends a 15th week at No. 1 on the Billboard 200, how Chappell Roan’s The Rise and Fall of a Midwest Princess climbs to No. 2 on the Billboard 200 for the first time, and how Billie Eilish’s “Birds of a Feather” steps into the top five on the Billboard Hot 100.

The Billboard Pop Shop Podcast is your one-stop shop for all things pop on Billboard‘s weekly charts. You can always count on a lively discussion about the latest pop news, fun chart stats and stories, new music, and guest interviews with music stars and folks from the world of pop. Casual pop fans and chart junkies can hear Billboard‘s executive digital director, West Coast, Katie Atkinson and Billboard’s managing director, charts and data operations, Keith Caulfield every week on the podcast, which can be streamed on Billboard.com or downloaded in Apple Podcasts or your favorite podcast provider. (Click here to listen to the previous edition of the show on Billboard.com.)