Of course.... since we already have kids.. it's does show bigger than first time mom..
I am 18 weeks also... Do you know you have boy or girl? I am going to find out today.
Good luck
Mine just started growing, but my other 2 kids are 14 and 15 so my body has had time.
I have a 12 year old and this is of course my second pregnancy but my belly is definitely growing. I would have to say that I have shown quicker with this pregnancy than with my son. Fortunately, with this pregnancy, so far, it is all belly, and my chin face or any other part of my body has not grown along with it. My first pregnancy, I gained weight everywhere. In my photos, I have a picture of my belly and it is definitely getting to be uncomfortable but will all be worth it to see my little baby boy/girl. God Bless you all and Good Luck......