Kylie Jenner Check Out My See-Through Birthday Suit

8/1/2016 7:24 AM PDT

Check Out Kylie Jenner's See-Through Birthday Suit

Kylie Jenner got her birthday party started early -- and she did it partially nude ... naturally. 

The soon-to-be 19-year-old rolled deep Sunday night with her whole 'KUWTK' krew into The Nice Guy for a huge party ... 10 days before her actual born day. 

Kim Kardashian showed up with a new short 'do ... and Tyga also showed up, but the birthday girl could not be upstaged.

KJ was the sheer winner.