Andrew Unterberger

Shaboozey's 'A Bar Song' goes for its historic 17th week atop the Hot 100 this week.

Lady Gaga is Billboard's No. 5 Greatest Pop Star of the 21st Century -- listen to our podcast explaining why.

Our new Greatest Pop Stars of the 21st Century Podcast episode is on Britney Spears, who defined pop stardom at the start of the 21st century.

Next week's race for the Hot 100 No. 1 will be a crowded one between Shaboozey, Morgan Wallen, Bruno Mars & Lady Gaga and possibly more artists.

Phil Lesh, founding member and longtime bassist for legendary rock outfit the Grateful Dead, died on Friday (Oct. 25). He was 84 years old.

Our new Greatest Pop Stars of the 21st Century Podcast episode is on Kanye West, who has towered over nearly the entire 21st century.

Kanye West is one of our Greatest Pop Stars of the 21st Century thanks to his unparalleled run of artistic brilliance and pop cultural centrality.

Morgan Wallen's "Love Somebody" looks to beat out Shaboozey's "A Bar Song (Tipsy)" on next week's Hot 100.

Our new Greatest Pop Stars of the 21st Century Podcast episode is on Justin Bieber, who defined teen-pop stardom in the YouTube age.

Our new Greatest Pop Stars of the 21st Century Podcast episode is on Ariana Grande, who defined pop stardom in the streaming age.