Ariana Grande, Billboard 2014.

Ariana Grande Quiz: 10 Questions about the 'Problem' Star

We all know the words to "Problem" and can recognize to "Break Free," but how much do you really know about Ariana Grande -- her acting career, her influences, her collaborators and crushes? Test your knowledge of the rising pop superstar by taking our Ultimate Ariana Grande Quiz below!
Adam Levine and Gwen Stefani, 2014 Emmy Awards.

Hear Maroon 5's Gwen Stefani Collaboration 'My Heart Is Open'

Back in July, Maroon 5 guitarist James Valentine told Billboard his band was collaborating with Gwen Stefani for their new album, V. Well, that track, "My Heart Is Open," has finally surfaced, and it's an emotional piano ballad clearly crafted for Adult Contemporary radio domination.
Miley Cyrus attends the 2014 VMAs

Miley Cyrus' VMAs Date Turns Self In, Posts Bail

Jesse Helt, 22, turned himself in at the Polk County Jail in the Willamette Valley community of Dallas, Oregon, was booked on a probation violation warrant and then posted $2,500 bail.
Britney Spears performs during her Britney: Piece Of Me Show at Planet Hollywood

Britney Spears is Single Again, Confirmed by Rep

Following a tweet from Britney Spears this afternoon declaring, "Ahhhh the single life!" Spears' publicist has confirmed the "Perfume" singer and Las Vegas starlet has split with boyfriend David Lucado.
Matrimony, 2014.

Matrimony Video Premiere: Watch The Gorgeous 'Southern Skies' Clip

Alt-folk collective Matrimony released its lovely debut album Montibello Memories last May through Columbia Records, and after premiered the band's single "Southern Skies" back in March, we're happy to also launch the gorgeous music video for the song.
Pop Shop Podcast featuring Nicki Minaj, Taylor Swift, Ariana Grande & Wiz Khalifa

Pop Shop Podcast: Taylor Swift Hits No. 1, Nicki Minaj's 'Anaconda,' Wiz Khalifa & More

On this week's podcast, Jason and Keith break down Taylor Swift's triumphant No. 1 debut on the Hot 100 chart: how "Shake It Off" made it happen, why debuting atop the Hot 100 chart is so rare, and whether or not the single's run at No. 1 can continue for multiple weeks. Meanwhile, Nicki Minaj's "Anaconda" has slithered to No. 2 on the Hot 100 -- can the single reach the heights of "Super Bass" or "Starships"?