I wonder if she is walking backwards to hide her bump from the paparazzi?

 

http://i1198.photobucket.com/albums/aa456/alfierocks/normal_08.jpg

http://i1198.photobucket.com/albums/aa456/alfierocks/normal_03.jpg

http://i1198.photobucket.com/albums/aa456/alfierocks/normal_01.jpg