Scott Disick should be humming "We Are Family" after his epic birthday bash in Las Vegas.

Among the star-studded guests were ex-girlfriend and baby mama Kourtney Kardashian, her sister Khloé Kardashian and their half-sister Kylie Jenner's ex-boyfriend Tyga.

Talk about putting aside differences and showing the love!

scott and kourtney vegas party getty 2016

Scott Disick and Kourtney Kardashian at his birthday party in Las Vegas.

Scott, who turned 33, went to Vegas Friday night to celebrate at 1 OAK club along with Kourtney, Khloé and even Tyga. The tight-knit group started the party Thursday at a big dinner at Nobu in LA.

"I got some cool stuff, but I feel the love and support is most important, nothing, like, materialistic," Disick told People.

RELATED: Scott Disick Calls Kourtney Kardashian "Crazy" on Instagram

Aww. Very sweet. Happy Birthday, Scott!