page_title: List of Billboard Hot 100 number ones of 2010
section_title: Chart history
hierarchical_section_title: List of Billboard Hot 100 number ones of 2010 / Chart history
caption_attribution_description: English: Rihanna in her Last Girl on Earth Tour
context_page_description: The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical and digital sales, and airplay. There were 17 total number-one singles in 2010.
  In 2010, nine acts gained their first U.S. number-one single either as a lead or featured act: Kesha, Taio Cruz, B.o.B, Bruno Mars, will.i.am, Far East Movement, The Cataracs, Dev, and Drake.
  Rihanna earned four number-one singles during the year — three as a solo artist and one as featured guest on Eminem's "Love the Way You Lie" — the first time a female artist has achieved this accomplishment in a single calendar year. She also became the female artist with the fifth most number-one singles, scoring her sixth, seventh, eighth, and ninth number-one singles during the year. Katy Perry, Eminem, Kesha, and Bruno Mars also each scored multiple number-one singles during the year, with Katy Perry scoring three consecutive number-one singles — a feat last done by R&B singer Monica eleven years earlier.
caption: Rihanna became the first female artist in the history of the chart to have four number-one singles in a calendar year. She also became the first artist to have a lead single from an album reach number one after its second single when her "Only Girl (In the World)" reached the top of the chart two weeks after "What's My Name?" did.
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