December 29, 2013 – January 4, 2014: The Monster – Eminem featuring Rihanna
January 5 – January 18, 2014: Timber – Pitbull featuring Kesha
January 19 – February 1, 2014: Dark Horse – Katy Perry featuring Juicy J
February 2 – May 3, 2014: Happy – Pharrell Williams
May 4 – May 10, 2014: All of Me – John Legend
May 11 – May 24, 2014: Happy – Pharrell Williams
May 25 – June 7, 2014: All of Me – John Legend
June 8 – July 5, 2014: Fancy – Iggy Azalea featuring Charli XCX
July 6 – August 16, 2014: Rude – Magic!
August 17 – September 6, 2014: Stay with Me – Sam Smith
September 7 – October 4, 2014: Shake It Off – Taylor Swift
October 5 – November 1, 2014: All About That Bass – Meghan Trainor
November 2 – November 15, 2014: Shake It Off – Taylor Swift
November 16 – December 6, 2014: All About That Bass – Meghan Trainor
December 7 – December 27, 2014: Blank Space – Taylor Swift
December 28, 2014 – January 3, 2015: Uptown Funk – Mark Ronson featuring Bruno Mars