Today on the Greatest Pop Stars Podcast, host Andrew Unterberger is joined by Billboard Pride editor Stephen Daw and executive digital director Katie Atkinson to remember the brilliant career of our No. 5 Greatest Pop Star of the 21st Century, Lady Gaga. We try to capture what made Gaga's turn-of-the-'10s peak so shocking, so singular and so important, and remember the winding and occasionally rocky road Mother Monster took from there to where she is today, as one of the still-vital hitmakers and marquee touring artists of all 21st-century pop.

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