Olivia Holt and Hailee Steinfeld

Olivia Holt and Hailee Steinfeld. Photo by Startraks.

What: Disney Channel star Olivia Holt celebrated her 18th birthday with a summer bash, hosted by Nintendo.

When: Tuesday, August 19th

Where: A private estate in Malibu, CA

Who: Guests included pretty young things like actress (and now singer) Hailee Steinfeld and Hollywood scion Jaden Smith.

Why: You’re never too old for Mario Kart and Super Smash Bros. This party was every teenager’s dream.