Welcome to parenthood. Amanda Knox announced the arrival of her first child with husband Christopher Robin on Friday, October 22.The couple kept the birth of their daughter, Eureka Muse Knox-Robinson, under wraps due to privacy concerns — until now. “I’m still nervous about the paparazzi bounty on [my daughter’s] head,” Knox, 34, told The New York Times on Friday. “I will say I’m excited to not have to keep pretending not to be a mom. ‘Cause it’s like, my brain is just there.”The Waiting to Be Heard author shared a photo of the newborn via Instagram the same day, explained that it “will be the only picture of her I ever share on social media.”In the caption, she noted, “Since my exoneration, I’ve struggled to reclaim my identity and protect