7 weeks pregnant. already small bump

Laurie • 23. Québec canada 🇨🇦. Speaks french,english. Married since september 2016. Pregnant with baby #1.Mila💕 october 2017.
First photo is at 4 weeks when I first took a test. 
The second one is yesterday at 7 weeks with boobs that have double in size and already a small bump in my belly.. how was your 7 weeks belly? Is it normal that I already see changes in my body ? I guess that it's so soon to see things