Pregnancy hair on belly?!

Ashton💁🏻 • 18, baby daughter born 11th July 2016, in a relationship ❤️ uk
I'm 11 weeks and my belly has got hairy and have a faint linea nigra how ever you spell it, is it normal for this early or is it normal? Anyone else had it, I have natural blonde hair so I'm not a dark haired person either