• Kendall And Kylie Jenner Celebrate Kendall + Kylie Collection At Nordstrom Private Luncheon

Kendall And Kylie Jenner Celebrate Kendall + Kylie Collection At Nordstrom Private Luncheon (Photo : Getty Images)

Kendall Jenner recently celebrated her 21st birthday, and her younger sister Kylie gave her the sweetest greeting.

On her Instagram account, Jenner shared a throwback photo of Kendall when they were just about three and five years old. "My big sister is 21. Happy birthday Kenny. My other half. I wouldn't be me if it weren't for YOU. We dreamt about the day when you'd turn 21 and I'd be 19. It came too fast... But who you are and where you are today was beyond my wildest expectations! You are an angel my supermodel sister. I love watching you live out your dreams. Every Kylie needs her Kendall," she wrote. Immediately after, Jenner posted a follow up photo of herself with Kendall. "Every Kylie needs a Kendall," she captioned the snap.

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Meanwhile, Khloe also shared a touching greeting for her younger sister via Instagram. "In every lifetime I'm choosing to have you as my sister and best friend! Happy birthday @kendalljenner," she wrote alongside their photo.

Jenner herself shared a series of photos from her birthday night out via Instagram. In one of the photos, the former reality TV star showed off her skinny figure while wearing a loose silver dress. Another photo showed Jenner's pink balloons during her party.