The Spice Girls stop us in our tracks with their stylish birthday reunion — but will there be more?

'Stop' what you're doing right now: All five Spice Girls were back together on Saturday night to celebrate Posh Spice's birthday, and even treated us to a mini-performance.

In the new Billboard Pop Shop Podcast, Katie and Keith talk about how the legendary girl group — Victoria Beckham, Geri Halliwell-Turner, Emma Bunton, Melanie “Mel C” Chisholm and Melanie “Mel B” Brown — got back together for Posh Spice's 50th birthday party in London. David Beckham even shot a short video of the quintet singing and dancing to “Stop,” a 1998 Billboard Hot 100 hit.

But could there be more of the 'girl power' ambassadors? Listen to the full podcast discussion below.

Also on the show, we've got chart news on Hozier getting his first Hot 100 No. 1 as “Too Sweet” tops the chart, and how Sabrina Carpenter visits the Hot 100 top 10 for the first time as “Espresso” makes its No. 7 debut. Plus, Future and Metro Boomin's We Still Don't Trust You bows at No. 1 on the Billboard 200, while Linkin Park's first greatest hits album Paper cuts debuts in the top 10. We also talk about how big Taylor Swift's new album is Department of Tormented Poets is shaping up, as we await its anticipated debut at No. 1 on the Billboard 200 next week.

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