Scott couldn't wait to take his new motorcycle from Amelia out for a spin.
The couple shared a cuddle during the celebration and Amelia snapped a photo of Scott giving her a smooch, writing, "Birthday cutie."
Scott Disick celebrates the big 3-8 with a blowout soiree, and yes, only he could pull off a lion and floral print ensemble.
These aren't just any party favors. Guests got to pick out their very own Rolex watch or diamond jewelry piece. "They got over a half a million dollars in jewels between our chains, watches and bracelets," Brandon O'Neal with Luxe VVS Jewelers tells E! News. "Kim, Scott, Khloe, Kris all got stuff from us!"
Kourtney Kardashian and close family-friend Sia catch up.
A silver balloon arch welcomes party goers.
Khloe Kardashian rocks a diamond necklace provided by Luxe VVS Jewelers. It's safe to say our invite to Scott's party got lost in the mail.
Scott's girlfriend, 19-year-old model Amelia Hamlin, treats herself to Raising Cane's Chicken Fingers.
Amelia poses for a selfie as she mixes and mingles with Scott's fam.
Lord Disick is treated to an aviation-themed birthday cake.
"Disick Aviation: 'Private aviation is my motivation,'" Amelia's sweatshirt read. "Est. 1983."
Scott stops for a photo opp with artist Alec Monopoly.