For those of you thinking a first birthday party requires little more than some hats, streamers and booze for the parents, it’s time to stop what you’re doing. You are so very, very wrong.

Forget what you think you know about children’s birthday parties and step into the decadent world of Sydney’s most controversial family, the Mehajers.

Image via Instagram.

Celebrating the first birthday of their daughter Sophia-Rose over the weekend, the sister of Salim Mehajer, Fatima and husband Jamal Elkheir went all out for a celebration that essentially looked like a miniature wedding for one.

Party hats, messy eating and creations from the Australian Women's Weekly Children's Birthday Cake Book are out, and $10,000 spends are in.

Image via Instagram.

Here's what you'll need if you're after a similar style event:

Image via Instagram.

Image via Instagram.

After his extravagant wedding in 2015, Salim Mehajer says he has plans for parliament.