Kylie Jenner's playful birthday moment with Kendall steals the spotlight

Kylie Jenner became one of the highlights of Kendall Jenner's 31st birthday party after sharing a playful moment with her older sister. In a video posted by Khloé Kardashian, Kendall cuddled up to Kylie and asked her for a kiss, prompting the youngest Kardashian-Jenner sister to lean in and give her a smooch on the lips. Both sisters appeared to be having a great time, with Kylie acting particularly playful and struggling to keep her balance during the celebration. Kendall could barely contain her laughter, seemingly surprised by the kiss, while social media users quickly reacted to the clip. Although many enjoyed the sisters' interaction, some questioned their decision to kiss on the lips. Khloé also shared additional pictures with Kendall to celebrate her birthday, describing the two sisters as her little pigeons and expressing her love for the supermodel.