"Number One" is the first single featuring Keri Hilson

Keri Hilson

Keri Lynn Hilson is an American R&B singer-songwriter. Born and raised in Decatur, Georgia, Hilson began her music career as a songwriter, penning tracks for several artists in the mid-2000s as part of the five-person production and songwriting team, The Clutch...

 from American R&B singer R. Kelly

R. Kelly

Robert Sylvester Kelly , better known by his stage name R. Kelly, is an American singer-songwriter and record producer. A native of Chicago, Kelly began performing during the late 1980s and debuted in 1992 with the group Public Announcement. In 1993, Kelly went solo with the album 12 Play...

's 2009 album, Untitled

Untitled (R. Kelly album)

Untitled is the ninth studio album by American R&B recording artist R. Kelly, released November 30, 2009 in the United Kingdom and December 1, 2009 in the United States, through Jive Records and Sony Music. It was entirely produced by R. Kelly and features prominently carnal lyrical themes...

. The song was released digitally

Music download

A music download is the transferral of music from an Internet-facing computer or website to a user's local computer. This term encompasses both legal downloads and downloads of copyright material without permission or payment...

 on July 28, 2009.

Music video

The music video was released on August 17, 2009. In the video, Kelly and Hilson wear Michael Jackson

Michael Jackson

Michael Joseph Jackson was an American recording artist, entertainer, and businessman. Referred to as the King of Pop, or by his initials MJ, Jackson is recognized as the most successful entertainer of all time by Guinness World Records...

-inspired jackets and pay tribute to the late King of Pop in the Chris Robinson

Chris Robinson (director)

Chris Robinson is an American film director working mostly with music videos and commercials. He has directed commercials for brands such as iPod, Coca Cola and Verizon and music videos for songs like "Fallin'" and "You Don't Know My Name" by Alicia Keys, "Roc Boys" by Jay-Z, the grammy nominated...

-directed clip. The video was listed number #92 on BET notarized top 100 videos.

Remix

The official remix features R&B singers T-Pain

T-Pain

Faheem Rasheed Najm , better known by his stage name T-Pain, is an American singer-songwriter, rapper, record producer, and actor, currently signed to Young Money Entertainment. His debut album, Rappa Ternt Sanga, was released in 2005. In 2007, T-Pain released his second studio album Epiphany,...

 and Keyshia Cole

Keyshia Cole

Keyshia Myeshia Cole Gibson born October 15, 1981) is an American singer–songwriter and actress. She gained nationwide acclaim when her 2005 debut album, The Way It Is went platinum. Her sophomore album Just Like You went into production shortly after that and was released in September 2007...

. It was released September 29, 2009 on Kelly's YouTube account and the internet. The final version was released two days later, October 1, 2009, with ad-libs by Keyshia Cole on the chorus after her verse. The digital download single of the remix was released on October 27, 2009.

Chart performance

Chart (2009)	Peak position
Swedish Singles Chart Sverigetopplistan Sverigetopplistan, earlier known as Topplistan and Hitlistan and other names, is since October 2007 the Swedish national record chart, based on sales data from Swedish Recording Industry Association ....	52
U.S. Billboard Hot 100 Billboard Hot 100 The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...	59
U.S. Billboard Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs, is a chart released weekly by Billboard in the United States.The chart, initiated in 1942, is used to track the success of popular music songs in urban, or primarily African American, venues. Dominated over the years at various times by jazz, rhythm and blues, doo-wop, soul,...	8