Ariana Grande
Ariana Grande

This week's charts saw country continue to reign, Ariana Grande start strong and the dance charts welcome back some familiar names.
Adele's 'Hello' Tops Hot 100 for Second Week; Ariana Grande, Meghan Trainor Hit Top 10
Here are 13 things you need to know about this week's charts: 
1. Ariana Grande focuses in on the top 10 of the Billboard Hot 100. The 22-year-old singer debuts at No. 7 with her latest single "Focus," from her upcoming albumMoonlight. Read the full story here.
2. Chris Stapleton's Traveller travels all the way to No. 1 on the After he nailed his performance with Justin Timberlake and became king of the CMA Awards, the country star's album re-enters the charts at the top. Read the full story here
3. Adele's previous two albums, 19 and 21, are born again as they hit the Billboard 200's top 40 following the building suspense around 25. Read the full story here. That isn't the ony chart Adele says "Hello" to this week: The singer/songwriter starts at No. 24 on the Dance/Mix Show Airplay because of all the "Hello" remixes. Meanwhile, the song leads the Hot 100 for a second week. Read the full story here.
4. Let's get physical: Olivia Newton-John shimmies her way to No. 1 for the first time ever on Billboard's Dance Club Songs chart as a featured artist onDave Aude's "You Have to Believe." Read the full story here.
5. Coldplay didn't have to wait a lifetime for their newest single to see some chart action. "Adventure of a Lifetime" reached No. 11 on the Billboard + Twitter Top Tracks. Read the full story here.
6. Twenty One Pilots aren't "Stressed Out" this week as they earn their first No. 1 on Billboard's Alternative Songs airplay chart. Read the full story here.
7. Shawn Mendes proves his talent goes beyond just six seconds, as the Viner-turned-pop star earns his first No. 1 on the Pop Songs airplay list. Read the full story here.
8. For the second time in 2015, a solo female reaches the top 10 on Billboard's Country Airplay chart with a first top 10 hit. Cam's "Burning House" rises to No. 10 this week. Read the full story here.
9. For the first time in five years, the top three albums on the Billboard 200 are all from the country genre. Read the full story here.
10. The Neighbourhood wiped out the competition this week as its newest album,Wiped Out, earns the band its first No. 1 on Billboard's Alternative Albums chart. Read the full story here.
11. Def Leppard's self-titled album grants the band a No. 1 on Top Rock Albums, Hard Rock Albums and Independent Albums. Read the full story here. 
12. Colombian reggaeton singer Maluma's album Pretty Boy Dirty Boy debuts at No. 1 on Top Latin Albums making him the first Colombian urban act to top the chart. Read the full story. 
13.  Lalah Hathaway Live enters at No. 2 on Top R&B/Hip-Hop Albums earning Lalah Hathaway her highest-charting peak yet. Read the full story    here.