Paris 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.

Paris 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”. She has appeared in several magazines, including the April 2004 issue of Maxim.