Question: Who was featured as a guest contribution in "Press Play" and in a leaked sex tape with Rick Salomon?

<P0-S0> Paris Whitney Hilton (born February 17, 1981) is an American businesswoman, socialite, television and media personality, model, actress, singer, and DJ. <P0-S1>  She is the great-granddaughter of Conrad Hilton, the founder of Hilton Hotels. <P0-S2>  Born in New York City and raised there and in Beverly Hills, California, Hilton began her modeling career as a teenager when she signed with New York-based modelling development agency Trump Model Management. <P0-S3>  Her lifestyle and rumored short-lived relationships made her a feature of entertainment news and tabloid magazines, and Hilton was proclaimed "New York's leading It girl" in 2001. <P0-S4>  Released only three weeks before the premiere of the reality television series "The Simple Life", in which she starred alongside her long-time friend Nicole Richie, the sex tape became a media sensation. <P0-S5>  In 2003, a sex tape with Hilton and her then-boyfriend Rick Salomon, later released as "1 Night in Paris", was leaked to the public. <SEP> <P1-S0> The so-called Iranian sex tape scandal involves the public outcry and judicial proceedings against Zahra Amir Ebrahimi, an actress who appeared in the soap opera "Nargess", and an associate producer, accused of appearing together in an explicit sex tape, allegedly filmed for private consumption with a camcorder, a serious crime under Iranian law. <P1-S1>  The actress denies that the tape is of her, while the film producer reportedly has claimed that it is him. <P1-S2>  The scandal virtually ended the actress's career; she was banned from Iranian films in 2006. <SEP> <P2-S0> Kimberly Kardashian West (born Kimberly Noel Kardashian; October 21, 1980) is an American reality television personality, socialite, actress, businesswoman and model. <P2-S1>  Kardashian first gained media attention as a friend and stylist of Paris Hilton, but received wider notice after a 2003 sex tape with her former boyfriend Ray J was leaked in 2007. <P2-S2>  Later that year, she and her family began to appear in the E! reality television series "Keeping Up with the Kardashians". <P2-S3>  Its success soon led to the creation of spin-offs including "Kourtney and Kim Take New York" and "Kourtney and Khloé Take Miami". <P2-S4>  Kardashian's personal life soon became subject to widespread media attention. <SEP> <P3-S0> Press Play is the fourth studio album by American hip hop recording artist P. Diddy. <P3-S1>  It was released on October 17, 2006, by Bad Boy Records. <P3-S2>  "Press Play" features several guest contributions from Nicole Scherzinger, Christina Aguilera, Keyshia Cole, Brandy, Jamie Foxx, Ciara, Nas, Paris Hilton, Timbaland, Mary J. Blige, Cee Lo Green, Keri Hilson, Big Boi, Mario Winans, Avant and Fergie, among others. <P3-S3>  It is his first album under the "Diddy" stage name, making this his first release under the distribution by Warner Music Group's Atlantic Records. <P3-S4>  Primarily dance-pop and hip hop-oriented in sound, it is a loose conceptual album that contains the lyrical themes discussing the concerns to the ups and downs of his relationship.