Mariah and her ex Nick Cannon came dressed to impress as they kept close to their five-year-old twins.
Moroccan opted to dress as the Super Mario Brothers with dad while Monroe showed her love for Disney as Rapunzel from the hit film Tangled.
Other guests who went all out for the festive bash included Tameka «Tiny» Cottie, Floyd Mayweather, Master P and Tamar Braxton who brought her whole family along.
Before you start to think there was any tension between Mariah and Nick at this year’s party, all signs point to two parents dedicated to co-parenting peacefully.
Watch the series premiere of Mariah’s World Sunday, Dec. 4 at 9 p.m., only on E!