page_title: List of Billboard Hot 100 number ones of 2014
section_title: Chart history
hierarchical_section_title: List of Billboard Hot 100 number ones of 2014 / Chart history
caption_attribution_description: English: Iggy Azalea performing at Irving Plaza in New York City as part of her The New Classic Tour
context_page_description: The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay and streaming.
  During 2014, nine singles reached number one on the Hot 100; a tenth single, "The Monster" by Eminem featuring Rihanna, began its run at number one in December 2013. Of those ten number-one singles, four were collaborations. In total, thirteen acts topped the chart as either lead or featured artists, with six—Juicy J, John Legend, Iggy Azalea, Charli XCX, Magic! and Meghan Trainor—achieving their first Hot 100 number-one single. Pharrell Williams' "Happy" was the longest-running number-one of the year, leading the chart for ten weeks; it subsequently topped the Billboard Year-End Hot 100.
  In May, Legend's "All of Me" reached number one in its thirtieth week on the Hot 100, earning the distinction of the third-longest ascent to number one after Los del Río's "Macarena" and Lonestar's "Amazed".
caption: In its sixth week on top, "Fancy" by Iggy Azalea (pictured) featuring Charli XCX became the longest-reigning number-one single by a female rapper.[5]
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