Katheryn Elizabeth "Katy" Hudson (born October 25, 1984), known by her stage name Katy Perry, is an American singer, songwriter, and actress. Perry grew up around gospel music. During her first year of high school, she pursued a music career as Katy Hudson, releasing her first studio album, called Katy Hudson, which failed to chart. She recorded a solo album later, which was never released. After signing with Capitol Music Group in 2007, her fourth record label in seven years, she adopted the stage name Katy Perry.

She first gained recognition with the release of her first mainstream album, One of the Boys in 2008, which spawned three Billboard Hot 100 top-ten songs—"I Kissed A Girl", "Hot n Cold" and "Waking Up In Vegas". Perry supported the album with her Hello Katy Tour. In 2010, Perry released her third studio album, Teenage Dream (2010), which topped the Billboard 200 chart, and spawned five number one singles—"California Gurls", "Teenage Dream", "Firework", "E.T." and "Last Friday Night (T.G.I.F.)". Teenage Dream became the first and so far only album (after Michael Jackson"s Bad)—to do so, and Perry became the first female in history to achieve this milestone. She embarked on the California Dreams Tour, which grossed nearly $60 million worldwide. Perry re-released the album under the name of Teenage Dream: The Complete Confection on March 26, 2012, and the re-release has already spawned the number-one single "Part of Me" and top two single "Wide Awake".

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