How big is too big to go on rides (From Sydney Australia) ?

Question

So me and my friends are planning on going to Luna Park Sydney Australia and I am plus size and I don't want to do the walk of shame so how big is too big (Australia clothes size/weight) 

Update:

I am on a diet so I can lose weight. I was a size 24 (Aus) now I am size 22. Also please don't be rude in the answers 

Update 2:

I only started the diet a month and a half ago 

Answer 1

i wouldnt worry about it, theres probably people that go for rides that are bigger than you

Answer 2

Lol lose weight than,