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She really goes big for her man!

Kylie Jenner rented out Six Flags Magic Mountain for Travis Scott's 26th birthday over the weekend, and we can't even begin to imagine how much this cost!

Kendall, Kourtney, Kim, and Kanye all tagged along for the fun, as well as the a handful of the rapper's nearest and dearest. The group rode all the roller coasters without having to wait in any lines, and we bet Blac Chyna was jealous! After all, last time she was at the amusement park, she was busy fighting another patron with daughter Dream's stroller.

The LipKit queen went all out for her beau's cake, too! It featured tiny frosting toppers of the couple on a ride, with daughter Stormi strapped in on her mama's lap.

The 20-year-old has fans speculating about an engagement after wearing a suspicious new diamond ring on her wedding finger, so perhaps she was the one that got the best present of all?