The pop star is a big fan of the mom-friendly loungewear.
Source: http://feeds.celebritybabies.com/~r/celebrity-babies/~3/Vx8zE4oLo5Q/
Georgina Grenville Gina Carano Gina Gershon Gina Philips Gisele Bündchen Giuliana DePandi Giulianna Ramirez Grace Park Gretha Cavazzoni Gwen Stefani