The 2011 TIME 100 Poll

Cast your votes for the leaders, artists, innovators, icons and heroes that you think are the most influential people in the world. Though official voting for inclusion on the TIME 100 list has now closed (with Rain as the 2011 readers' choice), users can continue to vote for their favorites until the final list, selected by our editors, is revealed on Thursday, April 21st

Rihanna

Time 100

Pascal Le Segretain / Getty Images

Age: 23
Occupation: Singer
Previous TIME 100 appearances: 0

Rihanna has had eight No. 1 hits on the Billboard Hot 100 and has become the hip-hop world's go-to siren whenever a rap star needs someone to sing his chorus. You can hear her on Kanye West's "All of the Lights" and Eminem's "Love the Way You Lie," as well as her own hits "Only Girl (In the World)" and "What's My Name?" The Barbados-born recording artist has managed to hold her own in the male-dominated rap world while also dabbling in pure, feminine pop.

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