Break It Off

"Break It Off" is a song recorded by Barbadian singer Rihanna featuring Jamaican reggae artist Sean Paul. The song is the fourth and final single from Rihanna's second album, "A Girl like Me", and was released only in the United States, Canada, and selected European territories. The song was performed during the "Rockin' New Years Eve '07" television special on January 1, 2007 at Times Square in New York City. Rihanna has previously stated that she is very proud of the song. In the song, Rihanna sings only the chorus and one verse, while Sean Paul sings all rest of the song. 
Promotion.
"Break It Off" was performed in many different venues and settings all over the world. She performed it on New Year's Eve 2007 and at many concerts such as BBC Radio 1's Big Weekend and Live Earth. It is performed for a minute and a half at concerts as a medley because Sean Paul performs more words than Rihanna.
Chart performance.
"Break It Off" was released as a digital download on online stores, including the U.S. iTunes Store on February 19, 2007 and peaked at number 2. It debuted at number eight on the US Hot Digital Songs chart, selling 75,316 downloads. This release to the digital market saw the song to jump from number fifty-two to number ten in one week on the Billboard Hot 100. 
In Latin America, the song barely managed to crack the Peru Top 100 at number ninety-two.