I just signed in to come on here and post about this, you beat me to it!
Shocker: She chose the name because she wanted her DD to be unique.
“I wanted to give my daughter a unique name,” the new mom E!.
“Growing up, there was a girl in my school named Rainbow and I was so
envious of that name. I thought it was so pretty and unique!”
Definitely would've been better in the middle name spot.