Singer-songwriters from California

Katheryn Elizabeth Hudson (born October 25, 1984), known professionally as Katy Perry, is an American singer, songwriter, actress and television personality. She is known for her influence on the pop sound and style of the 2010s. Pursuing a career in gospel music at 16, Perry released her commercially unsuccessful debut album, Katy Hudson (2001), under Red Hill Records. She moved to Los Angeles at 17 to venture into secular music, adopting the stage name "Katy Perry" from her mother's maiden name. With producers Glen Ballard and Greg Wells, she recorded an unreleased album titled Fingerprints while signed to Java Records and then Columbia Records before being dropped. After this, she signed a recording contract with Capitol Records in April 2007.

Jennifer Lynn Affleck (néeLopez; born July 24, 1969), also known as J.Lo, is an American singer, actress, and dancer. In 1991, she began appearing as a Fly Girl dancer on the sketch comedy television series In Living Color, where she remained a regular until she decided to pursue an acting career in 1993. For her first leading role in Selena (1997), she became the first Hispanic actress to earn over US$1 million for a film. She went on to star in Anaconda (1997) and Out of Sight (1998), and established herself as the highest-paid Hispanic actress in Hollywood.

Jennette Michelle Faye McCurdy (born June 26, 1992) is an American filmmaker, podcaster, singer, songwriter and former actress. McCurdy had her breakthrough playing Sam Puckett in the Nickelodeon sitcom iCarly (2007–2012), a role that won her four Kids' Choice Awards, among other accolades. She reprised the character in its spin-off series Sam & Cat (2013–2014), after which she exited the network. She has appeared in a number of other television series, including Malcolm in the Middle (2003–2005), Zoey 101 (2005), Lincoln Heights (2007), True Jackson, VP (2009–2010) and Victorious (2012).

Barbi Benton (born Barbara Lynn Klein; January 28, 1950) is an American retired model, actress, television personality, and singer. She is known for appearing in Playboy magazine, as a four-season regular on the comedy series Hee Haw, and for recording several modestly successful albums in the 1970s. After the birth of her first child in 1986, Benton retired from show business to raise her family.

W. Axl Rose (born William Bruce Rose Jr.; raised as William Bruce Bailey; born February 6, 1962) is an American musician, singer, songwriter and record producer. He is the lead vocalist and lyricist of the hard rock band Guns N' Roses, and has also been the band's sole constant member since its inception in 1985. He has also toured with Australian rock band AC/DC, deputising for Brian Johnson. Rose has been named one of the greatest singers of all time by various media outlets, including Rolling Stone and NME.

Emily Jordan Osment (born March 10, 1992) is an American actress, singer, and songwriter. Born and raised in Los Angeles, Osment began her career as a child actress, appearing in numerous television shows and films, including Biba from Biba Bear (1998-2002), before co-starring as Gerti Giggles in Spy Kids 2: The Island of Lost Dreams (2002) and Spy Kids 3-D: Game Over (2003). She went on to play the role of Lilly Truscott in the Disney Channel television series Hannah Montana (2006–2011) and appeared in the theatrical film based on the series, Hannah Montana: The Movie (2009).

Nicole Scherzinger (born Nicole Prescovia Elikolani Valiente; June 29, 1978) is an American singer and television personality. Born in Honolulu, Hawai'i, and raised in Louisville, Kentucky, Scherzinger initially performed in plays throughout her adolescence and went to study at Wright State University, before dropping out to pursue a musical career with American rock band Days of the New and later found modest success in 2001 upon winning a place in Eden's Crush, a girl group created through The WB's Popstars.

John Clayton Mayer (born October 16, 1977) is an American singer-songwriter and record producer. Born in Bridgeport, Connecticut, Mayer attended Berklee College of Music in Boston, but disenrolled and moved to Atlanta in 1997 with Clay Cook. Together, they formed a short-lived two-man band called Lo-Fi Masters. After their split, Mayer continued to play local clubs, refining his skills and gaining a following. After his appearance at the 2001 South by Southwest Festival, he was signed to Aware Records, and then Columbia Records, which released his first EP, Inside Wants Out. His following two full-length albums—Room for Squares (2001) and Heavier Things (2003)—did well commercially, achieving multi-platinum status. In 2003, he won the Grammy Award for Best Male Pop Vocal Performance for the single "Your Body Is a Wonderland".

Gwyneth Paltrow (born Gwyneth Kate Paltrow; ; born September 27, 1972) is an American actress, singer, author, and businesswoman. She has received numerous accolades for her work, including an Academy Award, a Golden Globe Award, and a Primetime Emmy Award. Her films have grossed $3.3 billion at the U.S. box office and $8.8 billion worldwide.

Christina María Aguilera (, born December 18, 1980) is an American singer, songwriter, actress, and television personality. Her accolades include five Grammy Awards, one Latin Grammy Award, and a star on the Hollywood Walk of Fame. Aguilera ranked at number 58 on Rolling Stones list of 100 Greatest Singers of All Time in 2008, and was included on Times annual list of the 100 most influential people in the world in 2013. With estimated sales of 100 million records, she is one of the world's best-selling music artists.