"Just Stand Up!" is a song performed by an all-star charity supergroup of pop, R&B, rock, country artists during the live version during the telethon "Stand Up to Cancer". The group was purposely billed as Artists Stand Up to Cancer to the public.

American songwriter and producer Antonio "L.A." Reid conceived the collaboration after a meeting with the founder of Stand Up to Cancer, which will benefit from the proceeds of the record. Reid co-produced the track with American singer Kenneth "Babyface" Edmonds, and the single was released on August 21, 2008.

The singers performed the song live on the "Stand Up to Cancer" show, which aired simultaneously on US TV networks ABC, CBS and NBC on September 5, 2008.

The single was re-released on September 30, 2008, with the original recording, as well as the audio of the live performance. The CD was enhanced so it had special features for a computer. A music video was not produced for the single.

On October 15, 2010, the song was confirmed to be double-Platinum by the RIAA, and the music video was confirmed to be Gold.

Carrie Marie Underwood (born March 10, 1983) is an American country singer, songwriter and actress who rose to fame as the winner of the fourth season of American Idol, in 2005. Underwood has since become a multi-platinum selling recording artist, a winner of several Grammy Awards, Billboard Music Awards and American Music Awards, a Golden Globe Award nominee, a three-time Academy of Country Music and Country Music Association Female Vocalist winner, and a two-time ACM Entertainer of the Year. She is the first-ever female artist to win back-to-back Academy of Country Music (ACM) Awards for Entertainer of the Year (2009/10). Underwood was inducted into and became a member of the Grand Ole Opry in 2008. She was also inducted into the Oklahoma Music Hall of Fame in 2009.Billboard named Underwood Country Music's reigning Queen in 2012.

Miley Ray Cyrus (born Destiny Hope Cyrus; November 23, 1992) is an American actress and pop singer-songwriter. She achieved wide fame for her role as Miley Stewart/Hannah Montana on the Disney Channel sitcom Hannah Montana.

Cyrus recorded music for the soundtracks, Hannah Montana (2006) and Hannah Montana 2/Meet Miley Cyrus (2007), released by Walt Disney Records. With the success of the Hannah Montana franchise she established herself as a teen idol. In 2007, Cyrus signed to Hollywood Records to pursue a solo career. She embarked upon the Best of Both Worlds Tour the same year, in which she performed as both herself and in character as Hannah Montana. The tour was eventually turned into a high-grossing concert film titled Hannah Montana & Miley Cyrus: Best of Both Worlds Concert (2008). In July 2008, Cyrus released her first solo album, Breakout (2008), which was commercially successful.

She began her foray into film by providing the voice of "Penny" in the animated film Bolt (2008). Cyrus earned a nomination for the Golden Globe Award for Best Original Song for her performance of Bolt's theme song, "I Thought I Lost You". She also reprised her role as Miley Stewart/Hannah Montana in Hannah Montana: The Movie (2009). The Hannah Montana: The Movie' soundtrack introduced her to new audiences within country and adult contemporary markets.

Leona Louise Lewis (born 3 April 1985) is a British singer and songwriter. Lewis came to prominence in 2006 when she won the third series of the British television series The X Factor.

Lewis has released two albums to date, Spirit and Echo, in 2007 and 2009 respectively. A multi-platinum selling artist and three-time Grammy Award nominee, her most successful single, "Bleeding Love", reached number one in over thirty countries around the world, and was the best-selling single worldwide in 2008. Other notable singles include "Better in Time", "Happy" and "I Got You". She was proclaimed 'Top New Artist' by Billboard magazine in 2008.

Lewis's debut tour, The Labyrinth, took place in 2010, and her third album, Glassheart, is scheduled for release in 2012. It was preceded by "Collide", a single from the album, which became her seventh top-five hit in the United Kingdom. Lewis's net worth was estimated at £12 million in April 2012.

Mariah Carey (born March 27, 1970) is an American singer, songwriter, record producer, and actress. She made her recording debut in 1990 under the guidance of Columbia Records executive Tommy Mottola, and released her self-titled debut studio album, Mariah Carey. The album went multi-platinum and spawned four consecutive number one singles, on the U.S. Billboard Hot 100 chart. Following her marriage to Mottola in 1993, a series of hit records, including Emotions (1991), Music Box (1993) and Merry Christmas (1994), established her position as Columbia's highest-selling act. Daydream (1995), made music history when the second single, "One Sweet Day" a duet with Boyz II Men, spent a record sixteen weeks on top of the Billboard Hot 100, and remains the longest running number one song in US chart history. During the recording of the album Carey began to deviate from her pop background, and slowly traversed into R&B and Hip-hop. After her separation from Mottola, this musical change was evident with the release of Butterfly (1997).