Selena Gomez, 2015

Selena Gomez photographed in Beverly Hills on Aug. 31, 2015.

Zoey Grossman

This week's charts saw Selena Gomez score her second No. 1 album, One Direction extending records and more. Here are 13 things you need to know about the Billboard charts this week:

Selena Gomez Scores Her Second No. 1 Album on Billboard 200 Chart

1. Selena Gomez's career wasn't exactly floundering before, but her newest album revived it anyway. The singer scored her second No. 1 album on the Billboard 200 chart. Read the full story here.

2. Every day is the weekend for The Weeknd, as the king of the charts enters his fifth week at No. 1 on the Billboard Hot 100. Read the full story here.

3. One Direction beat a record this week -- their own. The band earned their sixth No. 1 on the Billboard + Twitter Top Tracks chart dated Oct. 31, as “Perfect” darts 8-1. Read the full story here.

4. Justin Bieber isn't "sorry" for reaching No. 1 on two of Billboard's dance charts with the Jack U-produced "What Do You Mean?" Read the full story here.

5. Twenty One Pilots act as one of only two bands on the Hot 100 chart with songs written by one person. The charts have been experiencing an intense decline in one-manned hits. Read the full story here.

6. One possible reason Jamie Lynn Spears wasn't in the Zoey 101 reboot clip could be because she was too busy debuting on the Billboard Hot 100. Spears co-wrote Jana Kramer's new single "I Got The Boy." Read the full story here

7. 'Tis the season for chart success. MercyMe debuts at No. 1 on the Top Holiday Albums chart. Read the full story here.

8. It's a Barney reunion on the charts as Selena Gomez and Demi Lovato climb. Gomez's "Same Old Love" hits the top 20 and Lovato's "Confident" gets to the top 100. Read the full story here.

9. When he's not busy finding his soul mate on camera, The Game scores in the charts. The Game won his seventh No. 1 on R&B/Hip-Hop Albums chart. Read the full story here.

10. Vicente Fernandez earned sixth No. 1 on Top Latin Albums. His album Muriendo de Amor marked his 37th charting set and sixth chart-topper. Read the full story here.

11. Mayday Parade marches to first No. 1 on Billboard's Top Rock Albums and Alternative Albums charts. The band's fifth album proved to be their lucky charm. Read the story here.

12. There's still some "Bad Blood" between these two pop stars as Taylor Swift's "Wildest Dreams" hits No. 1 on the Adult Pop Songs airplay chart, becoming the fifth leader from 1989. Previously, only Katy Perry's Teenage Dream had led with five hits on the chart. Read the full story here.

13. Elle King tops Billboard's Hot Rock Songs chart with her breakthrough "Ex's & Oh's." King is only the fourth female act to do so in the chart's history. Read the full story here.