My belly is showing already. Is it bad?

Kat
Right before I got pregnant lost 18 pounds and I think that is why my belly grew so quick. 
I am no stick figure but I think I look bigger than I should. 
Do I look too big for 6 weeks and 5 days???
This picture was taken at 4 weeks. Scroll down for next picture for belly growth! 6 weeks 2 days