Top Tracks & Albums: Ariana Grande's PROBLEM Remains No. 1 on iTunes Top Songs, Week Ending 5/11

iTunes has become the most comprehensive, streamlined way to purchase music, and BWW Music has rounded up the most popular tracks and albums on the digital marketplace for the week ending May 11, 2014.

Ariana Grande's PROBLEM took the top singles spot on iTunes this week, with HAPPY from DESPICABLE ME 2 by Pharrell Williams in second, and DJ Snake and Lil Jon's TURN DOWN FOR WHAT coming in third.

On the albums side of things, NOW THAT'S WHAT I CALL MUSIC! 50 claimed the top spot this week, with Hunter Hayes' STORYLINE in second, and the soundtrack to Disney's FROZEN falling to third.

Top 10 Best-Selling iTunes Songs
1) PROBLEM (feat. Iggy Azalea) - Ariana Grande
2) HAPPY (from Despicable Me 2) - Pharrell Williams
3) TURN DOWN FOR WHAT - DJ Snake and Lil Jon
4) ALL OF ME - John Legend
5) WIGGLE (feat. Snoop Dogg) - Jason Derulo
6) AM I WRONG - Nico and Vinz
7) ME AND MY BROKEN - Rixton
8) A SKY FULL OF STARS - Coldplay
9) AINT'T IT FUN - Paramore
10) SUMMER - Calvin Harris

Top 10 Best Selling iTunes Albums
1) NOW THAT'S WHAT I CALL MUSIC! 50 - Various Artists
2) STORYLINE - Hunter Hayes
3) FROZEN (Original Motion Picture Soundtrack) - Various Artists
4) GHOST STORIES - Coldplay
5) TURN BLUE - The Black Keys
6) SHINE ON (Deluxe Edition) - Sarah McLachlan
7) CRASH MY PARY - Luke Bryan
8) JUST AS I AM - Brantley Gilbert
9) CHILDHOOD HOME - Ben Harper & Ellen Harper
10) G I R L - Pharrell Williams