Travis McCoy (born August 5, 1981) (also known as Schleprok and Travie) is the lead vocalist of the alternative hip-hop group Gym Class Heroes. He grew up in Geneva, New York. He made his MTV debut in the summer of 2002, as he appeared on stage at the beach house on a standard nation-wide MC Battle that was held on the MTV show "Direct Effect". Travis also has a side-project called Bernie Allen.

Justin Randall Timberlake, (born January 31 1981), sometimes known as JT, is an American pop-R&B singer and actor. He came to fame as the frontman of pop boy band 'N Sync and has won four Grammy Awards. In 2002, he released his debut solo album, "Justified", which sold over seven million copies worldwide. Timberlake's second solo release, "FutureSex/LoveSounds", was released in 2006 with the #1 U.S. hit singles "SexyBack", "My Love", …

Patrick Stump (born Patrick Martin Stumph on April 27, 1984) in Glenview, Illinois, is an American musician, composer and producer. Most notably, he is the lead singer, rhythm guitarist and occasional pianist of the band Fall Out Boy.

Beyoncé Giselle Knowles (born September 4 1981) is an American R&B singer, songwriter, record producer, actress, dancer, fashion designer, and model. Knowles rose to fame as the creative force and lead singer of R&B girl group Destiny's Child, the world's best-selling female group of all time. After a series of commercially successful releases with the group, Knowles released her debut solo album, "Dangerously in Love", in 2003.

Brian Joseph Burton, better known by his stage name Danger Mouse, is an American artist and producer. He came to prominence in 2004 when he remixed "The Beatles" (more commonly known as "The White Album") and rapper Jay-Z's "The Black Album" to create "The Grey Album". He has also produced "St. Elsewhere" by Gnarls Barkley and the second Gorillaz album, 2005's "Demon Days".

Peter Lewis Kingston Wentz III (born June 5, 1979) is the bassist, back-up vocalist, and primary lyricist of Chicago-based band Fall Out Boy.

Joseph Mark Trohman (born on September 1, 1984) is the lead guitarist for the Chicago-based pop-punk band Fall Out Boy.

Andrew John Hurley (born May 31, 1980 in Milwaukee, Wisconsin) is most notably the drummer of the Chicago-based pop punk band Fall Out Boy.

Matt McGinley (February 24, 1983 in Geneva, NY) is the co-founder and drummer of Gym Class Heroes. He and Travis McCoy met up in school in Phys. Ed. - hence the name Gym Class Heroes - and quickly became friends. The two later decided to form a band, and after former members Milo Bonacci and Ryan Geise joined the band, Gym Class Heroes was officially formed. With the band, he has played drums on every Gym Class Heroes release to date, including the albums: Hed Candy, …

Cee-Lo Green is the stage name of Thomas DeCarlo Callaway (born May 30, 1974), an American hip hop, funk, soul, and R&B musician. He is a singer, rapper, songwriter, and record producer, best known as a member of Goodie Mob and more recently Gnarls Barkley, and has also recorded two critically acclaimed solo LPs. Among Cee-Lo's solo hits are the singles "Closet Freak" (2002) and "I'll Be Around" (2003), produced by and featuring Timbaland.

Rihanna (born Robyn Rihanna Fenty on February 20 1988) is a Barbadian singer with musical influences from pop, R&B, reggae, dancehall, and dance. Rihanna became known around the world with chart hits such as "Pon de Replay", "SOS", "Unfaithful"; "Break It Off", and more recently with "Umbrella" and "Shut Up and Drive".

Stacy Ann Ferguson (born March 27, 1975), better known by her stage name Fergie, is an American pop and R&B singer-songwriter, and actress. She is a former member of the kids' TV series "Kids Incorporated", and the girl group Wild Orchid. Ferguson was also a co-host of the TV show "Great Pretenders". She is currently a vocalist for the hip hop/pop group the Black Eyed Peas, as well as a solo artist, releasing her debut album, …