Kendall Jenner sizzles as she poses in sexy lingerie in new ad for sister Kourtney Kardashian

Kendall Jenner stunned as she posed in sexy lingerie in a new ad for her sister Kourtney Kardashian.

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The Kardashian-Jenner sibling stripped down days after looking unrecognizable in her sister Kim Kardashian’s ad for KKW Beauty.