Kylie poses for a colorful pic.
"Perfect day in Positano," Kylie wrote on Instagram, alongside this photo of daughter Stormi Webster.
Kylie shares a selfie video at her birthday party.
The Lord arrives at Kylie's birthday party!
Kylie is presented with her birthday cake.
Kylie and daughter Stormi Webster sing "Happy Birthday" together.
Kris Jenner celebrates at Kylie's birthday party.
This is 22!
Kylie showcases a new necklace from beau Travis Scott.
Kylie prepares for more birthday fun.
Kylie debuts a new glam look on her birthday.
Kylie showcases her new bling.
Guests enjoyed fresh fruit, croissants and cheese.
A shot of the reported $250-million luxury yacht Kylie rented for her birthday celebration in Italy.
Kylie's BFF Anastasia "Stassie" Karanikolaou dances with the reality star's Stormi Webster.
Piña coladas all around!
Travis Scott joins the birthday evening festivities.
Kourtney Kardashian posted on her Instagram Story this video of her celebrating Kylie's birthday with her.
Kylie is presented with a birthday tray.
Kylie and beau Travis Scott ride a jet ski in Positano, Italy.
Kylie and beau Travis Scott have some fun on the water.
Birthday balloon fun!
Kris joins in the celebration!
There's no better way to celebrate your birthday than with the ones you love the most.