My World is the first release by Canadian singer Justin Bieber. It is considered to be the first part of a two-part debut release. My World, being the first part is considered an extended play standalone. It was released on November 17, 2009, via Island Records, and its follow up was released on March 23, 2010. Bieber worked a variety of producers and writers such as his mentor, Usher, Tricky Stewart, The-Dream, Midi Mafia and more. The songs are mostly inspired by teen romance and typical coming of age situations, and musically the album is R&B influenced pop.

The album received positive reviews from critics, and peaked at number five on the U.S. Billboard 200, selling 137,000 copies in its first week, which was at the time, the best opening release for a new artist in 2009, until the record was topped by Susan Boyle's I Dreamed a Dream. It also debuted at number one on the Canadian Albums Chart. The album was certified Platinum in Canada less than a month later and was certified double platinum in November 2010. In less than a month of release, the album was certified Gold in the United States by the RIAA, and in less than two months later, the album was certified platinum in the United States, selling over a million copies. After less than a month of its United Kingdom release, it was certified Silver by the BPI and was certified double platinum in December 2010.

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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.

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