18weeks 5 days, is anyone else belly this big?

Katrina Rose • Having a baby with the most amazing man on this earth. Been together 5 years! Due February 16th 2017. Our first baby .
I feel like my bellys too big for 18weeks 5days. It just popped out of no where honstly its already really hard too. Does anyone else feel like there belly is too big? The pic in the black shirt is me before pregnancy i have a morenof flat tummy. Its really differnt having a actul belly now. And nothing fits. The black pants im wearing in the pic arnt even buttoned lol.