To celebrate Kylie Jenner‘s 20th birthday on Thursday, the Kardashian-Jenner clan threw a surprise party that lasted until the wee hours of the morning.

The Life of Kylie star walked into the unexpected bash after attending her boyfriend Travis Scott’s concert with Kendrick Lamar at the Staples Center in Los Angeles earlier in the evening. The birthday girl was spotted in an all-white attire comprising of a mini-skirt tied up paired with an off-the-shoulder top with white sneakers. She entered the venue and immediately gave her boyfriend a hug.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

Kendall and Kylie Jenner!

Of course, the Snapchat queen and her famous family documented the extravagant bash on social media. Kylie’s mom, Kris Jenner, and sisters, Kim KardashianKhloé Kardashian and Kendall Jenner, were all spotted at the event, as well as pals Jonathan ChebanJordyn Woods and Jen Atkin.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

Khloe, Kim, Kendall, and Kylie!

The sisters Khloé, Kim, Kendall, and Kylie were spotted flaunting their very chic outfits for a snap. The only sister missing from the party was Kourtney Kardashian, as she’s taking a vacay with her beau Younes Bendjima in Egypt.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

Kris, Khloe, Kim, Kendall, and Kylie!

Manna Kris Jenner looks happy too.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

Khloé and Tristan Thompson

Kim posted a very funny snap of Khloé’s boyfriend, Tristan Thompson, He was caught in the act of checking out his girlfriend’s plunging neckline. We love the proper use of those emojis.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

The fondue was enjoyed by the guests very much to dip fruits and pretzels in it.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

The birthday cake!

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

The birthday cake was something to really look forward. It featured a rather silly picture of Kylie sticking her tongue out and eyes closed.

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

The famous booty!

If you needed a reminder –

Khloé caught in the act too!

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

We love how the surprise party was so thoughtful!

Kylie Jenner's surprise birthday party included a chocolate fountain, Ice sculpture of her booty and more!

Also, read RIHANNA IS SHINING A BIT TOO BRIGHT LIKE A DIAMOND AT THE CROP-OVER FESTIVAL 2017.