This is one way to celebrate your 18th birthday!
Every famous child star you ever knew came out to celebrate Cody Simpson's big 18th birthday bash this past weekend!
Okay, maybe not EVERY famous child star, but some of the more notable ones are, oh, Justin Bieber, Miley Cyrus, just to name a few!
The Surfboard singer went all out for the big 1-8 with TWO shindigs!
Tags: birthday party, celebrate, cody simpson, hollywood, instagram, jaden smith, justin bieber, malibu, message, miley cyrus, party poppin', patrick schwarzenegger, pool, selena gomez