1. Ariana Grande roars back to No. 1 on the Billboard Hot 100 with "Thank U, Next." Following the Nov. 30 arrival of its official video, the song surged to 93.8 million U.S. streams in the week ending Dec. 6, according to Nielsen Music, the biggest weekly total ever for a song by a female artist. Click here for the story.
2. Meek Mill is a winner on the new Billboard 200 albums chart, as Championships launches at No. 1. Click here for details.
3. Mariah Carey's holiday staple "All I Want for Christmas Is You" leaps from No. 14 to No. 7 on the Hot 100, hitting a new peak 24 years after its release. The modern classic really is a holiday gift that keeps on giving.
4. In further chart cheer, Wham!'s "Last Christmas," first released in 1984, reaches the Hot 100's top 40 for the first time, rising from No. 43 to No. 34. Read on for more about the classic George Michael composition.
5. Plus, late legend Dean Martin returns to the Hot 100 after almost half a century, as his version of the seasonal standard "Let It Snow, Let It Snow, Let It Snow," debuts at No. 41. He earns his first entry in 49 years, three months and 16 days. Click here for details.
6. Following controversy about its lyrics, "Baby, It's Cold Outside" heats up on multiple holiday charts, covering multiple versions of the song. Click here for the analysis.
7. In part one of a two-part recap of every No. 1 year-end Hot 100 hit, Gary Trust and Trevor Anderson look back at the top titles of 1958 through 1989 on the Chart Beat Podcast. Plus, special guest Bill Champlin, who sang the biggest hit of 1989, Chicago's "Look Away." Click here to listen.
8. On the Pop Shop Podcast, Keith Caulfield and Katie Atkinson welcome Mark Ronson, who muses about his award nominations for "Shallow" from A Star Is Born and his brand-new single, "Nothing Breaks Like a Heart," featuring Miley Cyrus (which debuts this week on the Hot 100 at No. 67). Click here to listen.
9. Panic! at the Disco notches its first No. 1 on Pop Songs with "High Hopes," which achieves a rare triple atop three airplay charts. Click here for the story.
10. Lady Gaga and Bradley Cooper crown Dance Club Songs with "Shallow" (2-1). Originally a ballad, from the A Star Is Born soundtrack, the song was remixed by DJ Aron, Nesco and Lodato, among many others. Click here for a recap of Gaga's 15 No. 1s on the survey.
11. Mitchell Tenpenny moves up the Emerging Artists chart and Sarah Grace of NBC's The Voice debuts. Click here for details.
12. Jimmie Allen takes his "Best Shot" back to No. 1 on Country Airplay, as the song becomes the first debut hit by a solo male to reign for at least three weeks since 2001. Who had the last such splashy start? Click here to find out.
13. Meanwhile, no women rank in the Country Airplay for a second straight week, marking the only two frames in the chart's nearly 29-year history absent of any female acts. Melinda Newman asked industry execs for their thoughts about the drought.