Photo:Kourtney Kardash/Instagram

Kourtney Kardashian Shares Behind-The-Scenes of Baby Sex Reveal Party - Planned in Less Than 48 Hours!

Kourtney Kardash/Instagram

According to Kardashian’s website, the reveal had an “on-the-nose, rock-n-roll theme (plus a little of Kourt’s elevated, chic aesthetic).” And the pair treated the event itself something like a concert, too.

Kourtney Kardashian Shares Behind-The-Scenes of Baby Sex Reveal Party - Planned in Less Than 48 Hours!

Kourtney Kardashian/ Instagram

Kourtney Kardashian Shares Behind-The-Scenes of Baby Sex Reveal Party - Planned in Less Than 48 Hours!

Liz Muller/ Instagram

The designer behind the reveal itself wanted a more “biodegradable” and “easy-to-clean” sex reveal option and so selected paper streamers.

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Guests then had the option to enjoy some blue cake, and even the kids in attendance had fun thanks to a backstage coloring station. Adult guests celebrated throughout the night with champagne available at a table full of Barker’s musical memorabilia.

Kourtney Kardashian Shares Behind-The-Scenes of Baby Sex Reveal Party - Planned in Less Than 48 Hours!

The Poosh founder is also a mom toPenelope, 10, and sonsReign Aston, 8, andMason Dash, 13, alongside exScott Disick, while Barker is a dad to three children with exShanna Moakler:Landon, 19, daughterAlabama, 17, and stepdaughterAtiana, 24.

After her pregnancy announcement last month, a source shared with PEOPLE that Kourtney “is just beyond excited.”

source: people.com