Happy birthday Kylie Jenner! The reality star is officially legal.

The Keeping Up With the Kardashians star celebrated her 18th birthday with her family over the weekend at Nobu Restaurant in Malibu, and she's gearing up for what's going to be an insane week of celebrations.

In honor of the birthday girl, we're taking a look back at Kylie's most jaw-dropping Snapchats to date. Keep in mind, these were the photos she shared while she was still 17-years-old. Just imagine what she'll post now!