Dear Future Mama: A TMI Guide to Pregnancy, Birth, and Motherhood from Your Bestie

The real talk you want about pregnancy, birth, body image, and the newborn days from Meghan Trainor, the chart-topping singer-songwriter behind "All About That Bass" and "Dear Future Husband," and, more importantly, Riley's mom.

Meghan Trainor has wanted to be a mom since before she even knew how babies were made. From the moment she discovered she was pregnant with her first child--her son, Riley--she was fascinated by the entire experience.

Yes, pregnancy and motherhood are miracles--but e...