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In October 2007, Scherzinger appeared on two episodes of UK TV show X Factor Season 4 in which she helped Sharon Osbourne pick her finalists in her home in Los Angeles. Scherzinger also turned up as paris hilton a member of the audience in the finale of X Factor Season Four. None of the other Pussycat Dolls were present.

In a merchandising agreement with Interscope in 2006, toy manufacturer Hasbro had plans for a line of dolls modelled after the Pussycat Dolls, and reportedly aimed at six to nine-year-olds. The groups Dads and Daughters and Campaign for a Commercial-Free Childhood successfully lobbied the company to scrap the plan because they felt that the Pussycat Dolls would have been inappropriate for children, due to the overtly sexual nature of the Pussycat Dolls' songs, videos and live shows.^[46]

In parallel to the Pussycat Dolls as a recording R&B act, in April 2005 a resident live show commenced at the "Pussycat Dolls Lounge" adjacent to Pure Nightclub in Caesars Palace on the Las Vegas Strip. This show contains "cast members" who continue the burlesque-style show which began in Los Angeles in 1995. The cast includes vocalist Jamie Preston^[8], Cindy^[8], Hayley^[8], James Darby, Amanda Nowak^[8], Colby^[9], Bridgy^[9] and Jamie Ruiz from Pussycat Dolls Present: Girlicious has recently joined the group^[9]. Former dolls include Mallory^[10], Jen^[10], Loreli^[10], Victoria^[10], Rosa^[10], Marcea^[10], Rita^[10], Jessica Lea^[11], Rachel Sterling^[11], Laura Diane^[11], Laurel^[8] and Alicia^[8] between others. The venue is operated by Pure Management Group, Robin Antin has some involvement, but it is unclear whether Interscope also has a financial interest. The Pussycat Dolls recording group have made occasional appearances.