The birthday girl — whose big day was on Saturday — and her friends slept in Hello Kitty-themed tents decorated with blue, pink and purple balloons. Mini mattresses filled with stuffed Sanrio ...

For Aire’s gathering, Jenner threw a Minion-themed soirée, which she documented on Instagram, capturing pics of themed ...

Kylie Jenner celebrated daughter Stormi and son Aire's back-to-back birthdays with a sweet Instagram video. Stormi turned 7 on Feb. 1, while Aire will turn 3 on Feb. 2.