In 2005, Hilton lent her name to a chain of nightclubs owned by Fred Khalilian and known as Club Paris. This association ended in January 2007 after she had failed to attend several scheduled promotional appearances.^[51]

In 2007, after watching a graphic video about animals raised for their fur, Hilton announced her support of vegetarianism and her scarlett johansson oops opposition to wearing fur.^[32] Hilton said:

From Paris:

Her satirical video received wide attention. McCain spokesman Tucker Bounds praised the video, jokingly saying that "Paris has a more substantive energy scarlett johansson oops plan than Barack Obama."^[37] Congressman Michael Burgess noted that it had elements similar to plans previously proposed in Congress.^[38]

Hilton began modeling as a child, initially at charity events.^[12] When she was 19, she signed with photo des fille nue tres haute qualité Donald Trump's modeling agency, T Management.^[12] Hilton has also worked with Ford Models in New York, Models 1 Agency in London, Nous Model Management in Los Angeles, and Premier Model Management in London. She has appeared in numerous advertising campaigns, including Iceberg Vodka, GUESS, Tommy Hilfiger, Christian Dior, and Marciano. In 2001, Hilton began to develop a reputation as a socialite, being identified as "New York's leading It Girl" whose fame was beginning to "extend beyond the New York tabloids".^[12] She has appeared in several magazines, including the April 2004 issue of Maxim.^[13]

Hilton co-starred with Nicole Richie in the Fox reality series The Simple Life, which premiered on December 2, 2003. The Simple Life ran adult nude photos.com for three seasons on Fox. The show was cancelled by Fox after a dispute between Hilton and Richie, but it was subsequently aired by E! Entertainment Television for the fourth and fifth seasons.^[17] Despite talks of a sixth season,^[18] the series finished its run at the end of the fifth season.^[19] In March 2008, it was reported that Hilton would star in a new MTV reality series tentatively titled "Paris Hilton's My New BFF", about her looking for a new best friend.^[20] The series is to run for ten episodes from October to December, 2008.^[21]

Hilton founded Heiress Records, a sub-label of Warner Bros. Records, in 2004 and released her self-titled debut album, Paris, under that label on paris hilton nue sexy August 22, 2006. Although the album reached number six on the Billboard 200 for a week, its total sales volume has been low.^[24][25] Allmusic commented that the album was "more fun than anything released by Britney Spears or Jessica Simpson, and a lot fresher, too." On the whole, critical reception was mixed.^[26] On July 16, 2007 Hilton confirmed that she was working on a new album with producer Scott Storch.^[27][28][29] In a recent interview with MTV, Hilton decided that her second album is going to be a dance album. She stated that she "loves Bob Sinclair" and wants to create dance-music vibe. Hilton has installed a professional recording studio in her house to work on the album.^[30] At a meet and greet in Montreal, Hilton stated that her album is to be released sometime in 2008.^[31]