Introduction

This past Friday, we got new music from three of the biggest child TV stars-turned-pop superstars ever: Selena Gomez, Miley Cyrus and Ariana Grande. Gomez put out the carefree pop song "Single Soon," Cyrus released the reflective ballad "Used to Be Young," and Grande put out a 10th-anniversary digital deluxe edition of her debut album Yours Truly. On the new Billboard Pop Shop Podcast, Katie & Keith are breaking down the trio of releases -- and reflecting on just how impressive their transitions from kids' TV to the top of the pop charts have been.

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