All of the Best Celebrity Boomerangs From Olivier Rousteing's Crazy LA Birthday Bash

Celebrity Instagram was awash with photo last night with uploads from Balmain designer Olivier Rousting's LA birthday party. Our September cover star had a celebrity-packed bash in the Hollywood Hills, with everyone from the Kardashians, Willow, Jaden and Jada Pinkett Smith to Cara Delevingne, Justin Timberlake and Jessica Biel in attendance, and the list goes on.

If your invite got lost in the mail, Balmain's instagram captured a bunch of fun Boomerang clips -- insta's new app that allows you to make GIF-like 1-second clips -- and we've included some highlights below.

Happy Bday @olivier_rousteing from @kendalljenner and @caradelevingne #HappybeLAted

A video posted by BALMAIN (@balmainparis) on Oct 23, 2015 at 10:54pm PDT

Cara and Kendall took the classic kiss selfie pose to new heights.

Happy Bday @olivier_rousteing from @kimkardashian #HappybeLAted

A video posted by BALMAIN (@balmainparis) on Oct 23, 2015 at 11:12pm PDT

Kim K, resplendent.

Happy Bday @olivier_rousteing from @kinggoldchains and @kyliejenner #HappybeLAted

A video posted by BALMAIN (@balmainparis) on Oct 23, 2015 at 10:30pm PDT

Kylie brought her head tilt A-game.

Happy Bday @olivier_rousteing from @luckybsmith @daisyclementine @pyperamerica #HappybeLAted

A video posted by BALMAIN (@balmainparis) on Oct 23, 2015 at 9:57pm PDT

Flaxen-haired sibling trifecta Lucky B. Smith, Pyper America Smith and Daisy Clementine Smith brought the heat with their genetically blessed smizes.

Happy Bday @olivier_rousteing from @constancejablonski and @alessandraambrosio #HappybeLAted

A video posted by BALMAIN (@balmainparis) on Oct 23, 2015 at 9:39pm PDT

Constance Jablonski and Alessandra Ambrosio win for best post of the night.