Billboard has released its list of artists who have defined pop stardom since the turn of the century and some of the rankings are unexpected — especially since first place is still unannounced.

In no surprise to fans, Beyoncé was named the No. 1 greatest pop star of the 21st century by Billboard magazine.

SiriusXM unveiled its inaugural Galaxy 50 chart that was determined a little differently than most - using informed ...

After crossing over from country music to pop music at the turn of the 2010s, Taylor Swift achieved success like we've never quite seen before, in either its shape or size. By Hannah Dailey With ...