William James Adams Jr. (born March 15, 1975), better known by his stage name will.i.am (pronounced "Will I Am"), is an American singer, songwriter, rapper, entrepreneur, actor, musician, record producer, and philanthropist. He is best known as a founding member of the hip hop and pop band The Black Eyed Peas, with whom he has received seven Grammy Awards, eight American Music Awards, a Billboard Music Award, a Teen Choice Award, two MTV Video Music Awards and three World Music Awards.

Will.i.am has also released four solo albums. The first, Lost Change, was released in 2001 on Atlantic Records and is the original soundtrack to the movie of the same name. A music video was made for the song "I Am", but no singles were released from the album. The second solo album, Must B 21, was released on September 23, 2003. Track seventeen on the release, "Go!", was regularly used as the theme for the NBA Live 2005 and Madden NFL 2005 seasons. A video for the track was also recorded for use within the sports, however, no singles were released from the album. The third album, Songs About Girls, was released on September 25, 2007. The first single released from the album was a club track titled "I Got It from My Mama" which peaked on the Billboard Hot 100 at #31 on 17 August 2007. The album also featured the singles "Heartbreaker" and "One More Chance". He released his fourth studio album, #willpower, in 2013.

Will.i.am is also a music producer. He has produced with other artists including Michael Jackson, Justin Bieber, Eazy-E, Britney Spears, Miley Cyrus, David Guetta, U2, Rihanna, Lady Gaga, Usher, Justin Timberlake, Nicki Minaj, Cheryl Cole, 2NE1, SMAP, The Game, Daddy Yankee, Wolfgang Gartner, Juanes, Nas, Bone Thugs-n-Harmony and Earth, Wind & Fire. He is a coach on the UK and Australian series of The Voice. In collaborations and with the Black Eyed Peas, he has a total of 34 Top 40 entries on the UK Singles Chart since 1998, and has sold 9.4 million singles in the UK.