Not sure if I'm crazy

Oceana • 01-14-15 AGS<3 --- married my best friend ZIK 07-01-17 <3
Has anyone else seen their belly move around 19 weeks? I'm starting to feel the baby move a lot more when I lay on my back. And I'm pretty sure I saw my belly "dance" a little. I'm about 99% sure it wasn't my heartbeat. Just put of curiosity.