Kourtney first became known to reality-television audiences on the 2005 series, Filthy Rich: Cattle Drive, on which she earned money for charity. In February 2007, a sex tape made by her sister Kim and former boyfriend Ray J in 2003 was leaked, which largely contributed to her rise to prominence. Later that year, Kourtney, in addition to her mother Kris; her stepfather Bruce (now known as Caitlyn); her siblings Kim, Khloé, and Rob; and half-sisters Kendall and Kylie were commissioned to star in the reality television series Keeping Up with the Kardashians. The series proved successful for E!, the network on which it is broadcast, and lead to several spin-offs, including Kourtney and Khloé Take Miami, Khloé & Lamar, and Kourtney and Kim Take New York .
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