Kendall Jenner hypes sister Khloé during photo-shoot, says 'killing it.'

Kendall Jenner approved of her sister Khloé Kardashian by praising her photoshoot skills.

During Thursday’s episode of The Kardashians, the 30-year-old supermodel openly praised her sister Khloé during a photo shoot for her snack brand, Khloud Protein Popcorn.

The 41-year-old may be used to being filmed for The Kardashians, and previously for Keeping up with the Kardashians, However, she says it can still feel nerve-wracking at times, especially when Kendall a professional supermodel is around lurking.

During a photo shoot for he brand, on November 6, Khloé was unexpectedly joined by her younger sister, who happened to be near by.

Without hesitation, she asked her sister to leave, saying, "Kendall, don't come out here. Nobody wants a supermodel watching them."

Despite her admission of feeling intimidated by her presence on set, Kendall stood firm and complimented her, expressing everything looked great and that her sister was "killing it."

"Thank you for approving," Khloé then quipped,

In her confessional, Kendall continued to praise her sister and said, "She’s joking about needing tips, but she definitely needs no tips."