Meanwhile, here are 13 things to know about the charts this week, as well as on the year-end rankings:
1. Travis Scott earns his first No. 1 on the Hot 100 this week with "Sicko Mode." Click here for the story.
2. As for 2018, Drake is the top artist of the year and Taylor Swift's reputation is the year's top album. Click here for details.
3. Year-end touring charts: Ed Sheeran tallied the year's top tour, while Swift, Beyoncé and JAY-Z also scored big on the road. Click here for the recap.
4. Year-end streaming charts: Hip-hop dominated, but rock and country also scored highlights. Click here for the breakdown.
5. Year-end K-pop on the charts: BTS had a massive year on the charts, as the group earned two No. 1s on the Billboard 200, helping break genre barriers and expand its reach. Click here for a full K-pop recap.
6. It's December and that means the Holiday 100 is back! Mariah Carey, unsurprisingly, rules with "All I Want for Christmas Is You." Click here for the story.
7. Plus, holiday favorites by Brenda Lee, Nat King Cole, Wham! and more return to the Hot 100 this week. Click here to see who's dashing up the chart.
8. The more the merrier: John Legend and Esperanza Spalding's duet version of "Have Yourself a Merry Little Christmas" hits No. 1 on the Adult Contemporary chart. Click here for the story.
9. On the latest Chart Beat Podcast, Gary Trust and Trevor Anderson welcome Nielsen's Haley Jones and Jon Miller to discuss seasonal songs and how Pentatonix, Ariana Grande and more are helping launch a new era of holiday hits. Click here to listen.
10. Over on the Pop Shop Podcast with Keith Caulfield and Katie Atkinson, special guest Gwen Stefani talks about the deluxe edition of her album You Make It Feel Like Christmas and the art of holiday songwriting. Click here to listen.
11. Kane Brown hits No. 1 on Country Airplay with "Lose It," while Dustin Lynch and Thomas Rhett hit the top 10. Click here for the recap.
12. Meanwhile, the top 20 of the Country Airplay chart has no female artists for the first time ever. "It's sad, really," says programmer Johnny Chiang. "In all other aspects of life, we're seeing women thrive. In country music, we don't have the female talent to compete? That's just ridiculous." Click here for the analysis.
13. Swift's Reputation Stadium Tour finished with $345 million. Click here for the roundup.