According to TMZ Online, there are six companies that are interested in casting Kendall, who turned 18 on November 3, to take part in x-rated movies.
Kendall's half-sister Kim Kardashian got famous after her sex tape with Ray J emerged online in 2007. There is no further information whether Kendall, who often spoke of her hope to become a Victoria's Secret Angel, is considering the offer.
The reality star was showered with congratulatory messages as she celebrated her birthday over the weekend. One of them came from half-sister Khloe Kardashian who wrote a long message and shared a photo collage of them in various poses via her Instagram page.