Shortly after High School Musical aired, Zac Efron debuted with two simultaneous charted songs on Billboard Hot 100 on February 4, 2006, with "Get'cha Head in the Game" and "Breaking Free", a duet with Vanessa Hudgens from the film. On the following week's chart, Efron had five simultaneous song credits from High School Musical: "Get'cha Head in the Game", "Start of Something New", "What I've Been Looking For: Reprise", "We're All in This Together" and "Breaking Free." "We're All in This Together" was credited to the whole High School Musical cast. "Breaking Free", at the time, made the fastest climb in the history of the Billboard charts, from #86 to #4 between the two weeks; the record was beaten by Beyoncé and Shakira's "Beautiful Liar". Zac Efron also appeared in the 2006 Disney Channel Games as captain of the Red Team.
Mariah Carey co-wrote the tracks on her 1990 debut album Mariah Carey, and she has co-written most of her material since. During the recording, she expressed dissatisfaction with the contributions of producers such as Ric Wake and Rhett Lawrence, whom the executives at Columbia had enlisted to help make the album more commercially viable. Backed by a substantial promotional budget, the album reached number one on the U.S. Billboard 200 chart, where it remained for several weeks. It yielded four number-one singles and made Carey a star in the United States, but it was less successful in other countries. Critics rated the album highly, and Mariah Carey won Grammys for Best New Artist, and—for her debut single, "Vision of Love"—Best Female Pop Vocal Performance.
From the age of six, Emma Watson wanted to become an actress, and for a number of years she trained at the Oxford branch of Stagecoach Theatre Arts, a part-time theatre school where she studied singing, dancing and acting. By the age of ten, Emma Watson had performed in various Stagecoach productions and school plays, including Arthur: The Young Years and The Happy Prince, but she had never acted professionally before the Harry Potter series. "I had no idea of the scale of the film series," Emma Watson stated in a 2007 interview with Parade; "if I had I would have been completely overwhelmed."
Leah Remini is a member of The Church of Scientology. In December 2005, Leah Remini helped promote the gala opening of Church of Scientology's "Psychiatry: An Industry of Death" Museum. Responding to criticism of Scientology during an interview on CNN, Leah Remini stated: “If somebody is going to get turned off about something because of what they read or heard, then that person's not smart enough to even enter a church. If you're really against something, then know what you're against.
In addition to acting, Jennifer Love Hewitt has also served as a producer on some of her film and television projects.Jennifer Love Hewitt can be seen on the CBS television program Ghost Whisperer as Melinda Gordon, a young woman who can communicate with ghosts. Jennifer Love Hewitt won a Saturn Award in 2007 and 2008 for Best Actress on Television. 
Carmen Electra started her professional career in 1990 as a dancer at Kings Island amusement park in Mason, Ohio in the show "It’s Magic", one of the more popular shows in the park's history. In 1991, Carmen Electra moved to California and met Prince. Soon after meeting Prince, Carmen Electra signed a recording contract with Prince's Paisley Park Records and began a short-lived singing career. During her time at Paisley Park Records, she officially became known as Carmen Electra.
After attending the Catholic High School of Baltimore, Stacy Keibler attended Towson University, where Stacy Keibler studied mass communication. Stacy Keibler attended the university on a partial-scholarship and had a 3.7 grade point average (GPA). Stacy Keibler had minor parts in movies such as Pecker and Liberty Heights, as well as small modeling jobs. During this time, Keibler became a cheerleader for the Baltimore Ravens football team at the age of eighteen.
Vin Diesel's first film role was an uncredited appearance in the 1990 film Awakenings. Vin Diesel then produced, directed, and starred in the 1994 short film Multi-Facial, a short semi-autobiographical film which follows a struggling actor stuck in the audition process, because Vin Diesel is regarded as either "too black" or "too white", or not black or white enough. Vin Diesel made his first feature-length film, 1997's Strays, an urban drama in which he was self-cast as a gang boss whose love for a woman inspires him to try to change his ways. Written, directed and produced by Diesel, the film was selected for competition at the 1997 Sundance Festival, leading to an MTV deal to turn it into a series.
Sandra Annette Bullock was born in Arlington, Virginia, the daughter of Helga D. Meyer (1942–2000), a German opera singer and voice teacher, and John W. Bullock (born 1925), a voice coach and executive from Alabama. Bullock's maternal grandfather was a rocket scientist from Nuremberg, Germany. Sandra Bullock lived in Nuremberg until age twelve, where she sang in the opera's children's choir at the Staatstheater Nürnberg. Sandra Bullock frequently traveled with her mother on her opera tours, and lived in Germany and other parts of Europe for much of her childhood. Sandra Bullock is fluent in German. Bullock studied ballet and vocal arts as a child, taking small parts in her mother's opera productions. Bullock has a sister, Gesine Bullock-Prado (born 1970).
At the age of 23, Salma Hayek landed the title role in Teresa (1989), a successful Mexican telenovela that made her a star in Mexico. In 1994, Salma Hayek starred in the film El Callejón de los Milagros (Miracle Alley), which has won more awards than any other movie in the history of Mexican cinema. For her performance, Salma Hayek was nominated for an Ariel Award.
Cyrus’ parents named her Destiny Hope because they believed that she would accomplish great things. Miley Cyrus was nicknamed "Smiley", later shortened to "Miley", because she kept smiling as a baby. Miley Cyrus is of part Cherokee descent. Cyrus attended Heritage Middle School, where she was a cheerleader. She currently attends school at Options For Youth Charter Schools and studies with a private tutor on the set of her TV show. Cyrus grew up on her parents' farm outside of Nashville where she regularly attended the People's Church.
Cameron Diaz was born in San Diego, California, the daughter of Billie (née Early), an import-export agent, and Emilio Diaz (1949–2008), who worked for the California oil company UNOCAL for more than 20 years as a field gauger, and in the pipeline department, until he retired in 1998. Her father, who was born in Los Angeles County, was a second-generation Cuban American (her grandparents settled in Tampa's Ybor City) and her mother is of English, German and Cherokee ancestry. 
Paris Hilton has worked as a model, actress, musician, and engaged in occasional business pursuits. According to Forbes Magazine, she earned approximately $2 million in 2003–2004, $6.5 million in 2004–2005, and $7 million in 2005–2006.
During the hiatus of Destiny's Child, Beyonce Knowles released her debut solo album, Dangerously in Love, in June 2003. Dangerously in Love, which spawned the number-one singles "Crazy in Love" and "Baby Boy", became one of the most-successful albums of that year. It earned Beyonce Knowles five Grammy Awards in a single night in 2004, and its reception signaled her viability as a solo artist. The disbandment of Destiny's Child in 2005 facilitated her continued success: she released her second solo album, B'Day, in 2006, which contained the worldwide hit "Irreplaceable". Her third solo album, I Am… Sasha Fierce, was released in November 2008, and spawned the worldwide hit "If I Were a Boy", and the US number-one single "Single Ladies (Put a Ring on It)".
