Billboard takes you inside the 'Barbie' listening party Doja Cat took to Twitter to show disdain for her fans taking on the nickname “Kittenz.” Jung Kook and Latto’s new track ‘Seven’ debuts at No. 1 of the Hot 100 as country music continues to take over the charts with Jason Aldean, Morgan Wallen and Luke Combs taking spots in the top 5. And more!