I currently have blonde hair. It's when you have low levels of the dark pigment eumelanin.
I have black hari but I used to have brown and then red hair when I was a baby!
Really? Red hair is rare. It occurs naturally in 1 to 2 percent of the population!
Wow that is crazy, I had no idea it was that rare!
It occurs more frequently in people of western European ancestry.
That is curious, I wonder why that is, but I did not know you could lose having red hair!
I know as a baby it's not uncommon to have your hair color change. 
I did not know that actually, learn something new every day!
Old French "blund, blont", meaning "a colour midway between golden and light chestnut". It gradually eclipsed the native term "fair", of same meaning, from Old English "fæġer", causing "fair" later to become a general term for "light complexioned". This earlier use of "fair" survives in the proper name Fairfax, from Old English "fæġer-feahs" meaning "blond hair".
The word "blond" has two possible origins. Some linguists say it
single's packaging. For the photoshoot, she decided to dye her blonde hair brown; she commented "I love blonde hair, but it really does something different to you. I feel more grounded when I have dark hair. It's unexplainable. I also feel more Italian when my hair is dark". The cover art features a close-up of the singer's jean-clad midsection and bare midriff. The cover has been seen as a reference to "Sticky Fingers" by The Rolling Stones. The packaging