Source: Instagram/@OlivierRousteing)
Source: Instagram/@OlivierRousteing)

Balmain mastermind, Olivier Rousteing just turned a year older. So naturally, an epic birthday bash with only the best stars in Hollywood would be in order. After his designs for the #HMXBalmaination killed on the runway, the #BalmainArmy and other A-listers showed up dressed to celebrate Olivier’s 30th birthday. The guest list included; the Kardashian-Jenner clan, Jennifer Lopez, Kate Hudson, Jada Smith, Jamie King, Alessandra Ambrosio, Tyga, Rachel Zoe and many more. And here’s why this was one of the best-dressed parties we’ve ever seen:

1. Kardashians, Smiths and Mary J Blige

2. King Chains and King Kylie went #allwhite

3. #ModelsOnModels

4. The Smith family

5. Rosie Huntington-Whitely

6. JLo & KK

7. Even Kris Jenner’s beau joined

8. Olivier slaying it with Jenny from the block

9. Kardashian sandwich