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Birthday boys
Mason and Reign blew out the candles on the birthday cake together.
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Taking in the sights
Kris Jenner took photos and videos on the dance floor at her grandson's birthday party.
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Decorations galore
Fortnite decorations adorned the entrance and all over the party.
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Shine bright
Khloe Kardashian shared a photo of the dance floor at the party.
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In Burberry at the Birthday
Kris rocked a Burberry coat and hat.
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True's First Fortnite
True Thompson smiled as she made her way around the festivities with her mom.
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Turn the music up
Lucky guests enjoyed a live DJ who helped get the dance party started.
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Anyone up for a game?
People could play the video game on giant screens in the backyard.
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The other birthday boy
Reign Disick, who shares the same birthday as his brother, took in the sights.
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Cake time!
Mason and his friends enjoyed a delicious-looking two-tiered Hansen's cake.