The next of a "gal mama" and a "celeb mama" is a "mama girl"?

Popular female talent's (Aki Hoshino, Yuko Ogura, Chinatsu Wakatsuki, Yukina Kinoshita , Hinano Yoshikawa, Rie Hasegawa) childbirth continues from the end of last year to this year. In such inside, the fashion magazine "mamagirl" for the mama started in August, 2012 records Sold out the same day by Amazon. The easy advance was continued focusing on the Internet bookshop, and 120,000 copies of first printing were sold out.
 It is said that the target of this book is the "mama girl" who is continuing having the girl feeling of "liking a lovely thing even if it becomes a mama."