<Table> Key <Tr> <Td> </Td> <Td> Indicates best - performing single of 2014 </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Indicates best - performing single of 2014 </Td> </Tr> <Table> <Tr> <Th> Issue date </Th> <Th> Song </Th> <Th> Artist (s) </Th> <Th> Ref . </Th> </Tr> <Tr> <Th> January 4 </Th> <Td> "The Monster" </Td> <Td> Eminem featuring Rihanna </Td> <Td> </Td> </Tr> <Tr> <Th> January 11 </Th> <Td> </Td> </Tr> <Tr> <Th> January 18 </Th> <Td> "Timber" </Td> <Td> Pitbull featuring Kesha </Td> <Td> </Td> </Tr> <Tr> <Th> January 25 </Th> <Td> </Td> </Tr> <Tr> <Th> February 1 </Th> <Td> </Td> </Tr> <Tr> <Th> February 8 </Th> <Td> "Dark Horse" </Td> <Td> Katy Perry featuring Juicy J </Td> <Td> </Td> </Tr> <Tr> <Th> February 15 </Th> <Td> </Td> </Tr> <Tr> <Th> February 22 </Th> <Td> </Td> </Tr> <Tr> <Th> March 1 </Th> <Td> </Td> </Tr> <Tr> <Th> March 8 </Th> <Td> "Happy" </Td> <Td> Pharrell Williams </Td> <Td> </Td> </Tr> <Tr> <Th> March 15 </Th> <Td> </Td> </Tr> <Tr> <Th> March 22 </Th> <Td> </Td> </Tr> <Tr> <Th> March 29 </Th> <Td> </Td> </Tr> <Tr> <Th> April 5 </Th> <Td> </Td> </Tr> <Tr> <Th> April 12 </Th> <Td> </Td> </Tr> <Tr> <Th> April 19 </Th> <Td> </Td> </Tr> <Tr> <Th> April 26 </Th> <Td> </Td> </Tr> <Tr> <Th> May 3 </Th> <Td> </Td> </Tr> <Tr> <Th> May 10 </Th> <Td> </Td> </Tr> <Tr> <Th> May 17 </Th> <Td> "All of Me" </Td> <Td> John Legend </Td> <Td> </Td> </Tr> <Tr> <Th> May 24 </Th> <Td> </Td> </Tr> <Tr> <Th> May 31 </Th> <Td> </Td> </Tr> <Tr> <Th> June 7 </Th> <Td> "Fancy" </Td> <Td> Iggy Azalea featuring Charli XCX </Td> <Td> </Td> </Tr> <Tr> <Th> June 14 </Th> <Td> </Td> </Tr> <Tr> <Th> June 21 </Th> <Td> </Td> </Tr> <Tr> <Th> June 28 </Th> <Td> </Td> </Tr> <Tr> <Th> July 5 </Th> <Td> </Td> </Tr> <Tr> <Th> July 12 </Th> <Td> </Td> </Tr> <Tr> <Th> July 19 </Th> <Td> </Td> </Tr> <Tr> <Th> July 26 </Th> <Td> "Rude" </Td> <Td> Magic! </Td> <Td> </Td> </Tr> <Tr> <Th> August 2 </Th> <Td> </Td> </Tr> <Tr> <Th> August 9 </Th> <Td> </Td> </Tr> <Tr> <Th> August 16 </Th> <Td> </Td> </Tr> <Tr> <Th> August 23 </Th> <Td> </Td> </Tr> <Tr> <Th> August 30 </Th> <Td> </Td> </Tr> <Tr> <Th> September 6 </Th> <Td> "Shake It Off" </Td> <Td> Taylor Swift </Td> <Td> </Td> </Tr> <Tr> <Th> September 13 </Th> <Td> </Td> </Tr> <Tr> <Th> September 20 </Th> <Td> "All About That Bass" </Td> <Td> Meghan Trainor </Td> <Td> </Td> </Tr> <Tr> <Th> September 27 </Th> <Td> </Td> </Tr> <Tr> <Th> October 4 </Th> <Td> </Td> </Tr> <Tr> <Th> October 11 </Th> <Td> </Td> </Tr> <Tr> <Th> October 18 </Th> <Td> </Td> </Tr> <Tr> <Th> October 25 </Th> <Td> </Td> </Tr> <Tr> <Th> November 1 </Th> <Td> </Td> </Tr> <Tr> <Th> November 8 </Th> <Td> </Td> </Tr> <Tr> <Th> November 15 </Th> <Td> "Shake It Off" </Td> <Td> Taylor Swift </Td> <Td> </Td> </Tr> <Tr> <Th> November 22 </Th> <Td> </Td> </Tr> <Tr> <Th> November 29 </Th> <Td> "Blank Space" </Td> <Td> </Td> </Tr> <Tr> <Th> December 6 </Th> <Td> </Td> </Tr> <Tr> <Th> December 13 </Th> <Td> </Td> </Tr> <Tr> <Th> December 20 </Th> <Td> </Td> </Tr> <Tr> <Th> December 27 </Th> <Td> </Td> </Tr> </Table> <Tr> <Th> Issue date </Th> <Th> Song </Th> <Th> Artist (s) </Th> <Th> Ref . </Th> </Tr>

What song was number one on march 30 2014