Natasha Anne Bedingfield (born 26 November 1981) is a British pop singer and songwriter. Bedingfield debuted in the 1990s as a member of the Christian dance/electronic group The DNA Algorithm with her siblings Daniel Bedingfield and Nikola Rachelle. Throughout the 1990s and early 2000s, Bedingfield recorded rock and gospel songs for the Hillsong London Church, while Daniel went on to enjoy success with hits "Gotta Get Thru This" and "If You're Not the One".

Bedingfield released her first album, Unwritten, in 2004. The album contained primarily up-tempo pop songs and was influenced by R&B music; it enjoyed international success with more than 2.3 million copies sold worldwide and she received a Grammy Award nomination for "Best Female Pop Vocal Performance" for the title track "Unwritten". Bedingfield's second album, N.B. (2007), was less successful but yielded the UK top 10 singles "I Wanna Have Your Babies" and "Soulmate". N.B. was not released in North America, but six tracks from it were included with seven new ones and released in 2008 as her third studio album Pocketful of Sunshine, with the singles "Love Like This" and "Pocketful of Sunshine" earning success on the charts. In December 2010, Bedingfield released her third album in North America named Strip Me.

Avril Ramona Lavigne (pronunciation: /ˈævrɨl ləˈviːn/; AV-ril lə-VEEN; born 27 September 1984) is a Canadian singer-songwriter. She was born in Belleville, Ontario, but spent most of her youth in the small town of Napanee. By the age of 15, she had appeared on stage with Shania Twain; by 16, she had signed a two-album recording contract with Arista Records worth more than $2 million. In 2002, when she was 17 years old, Lavigne broke onto the music scene with her debut album Let Go.

Let Go made Lavigne the youngest female soloist to reach No. 1 in the UK, and the album was certified four-times platinum by the Recording Industry Association of America. By 2009, over 16 million copies had been sold worldwide. Her breakthrough single, "Complicated", peaked at No. 1 in many countries around the world, as did the album Let Go. Her second album, Under My Skin, was released in 2004 and was her first album to peak at No. 1 on the U.S. Billboard 200, eventually selling more than 10 million copies worldwide. The Best Damn Thing, Lavigne’s third album, was released in 2007, becoming her third No. 1 album in the UK Albums Chart and featuring her first U.S. Billboard Hot 100 No. 1 single, "Girlfriend". Lavigne has scored six number-one singles worldwide, including "Complicated", "Sk8er Boi", "I'm with You", "My Happy Ending", "Nobody's Home", and "Girlfriend". With more than 30 million copies of her albums sold worldwide, Lavigne is one of the top-selling artists releasing albums in the U.S., with over 10.25 million copies certified by the RIAA. Her fourth studio album, Goodbye Lullaby, was released in March 2011. Goodbye Lullaby gave Lavigne her fourth top 10 album on the U.S. Billboard 200 and the UK Albums Chart and her third No. 1 album in both Japan and Australia. Three months after the release of Goodbye Lullaby, Lavigne began work on her fifth album, which will be released on Epic Records following her departure from RCA Records.

Lindsay Lohan ( /ˈloʊ.ən/; born July 2, 1986) is an American actress, recording artist, and model. She began her career as a child fashion model before making her motion picture debut in Walt Disney's 1998 remake of The Parent Trap at the age of 11. Lohan gained further fame with leading roles in the films Freaky Friday (2003), Mean Girls (2004), and Herbie: Fully Loaded (2005). In 2006 she appeared in independent films including Robert Altman's A Prairie Home Companion and Emilio Estevez's Bobby. In 2004, Lohan launched a second career as a recording artist with her debut album Speak, which was followed by A Little More Personal (Raw) in 2005.

In 2007, her career was interrupted when two driving under the influence (DUI) incidents and three visits to rehabilitation facilities led to the loss of several movie deals. Resuming her career, she guest starred in the TV series Ugly Betty in 2008, and starred in the TV comedy film Labor Pains in 2009. In 2010, she appeared in Robert Rodriguez's film Machete. She has attracted a great deal of publicity, particularly surrounding her personal life.