Is Beyonce really pregnant?

Last night on Sunday Night HD, Beyoncé's baby bump seemed to fold in on itself when she bent over. Rumors have been swirling that Beyonce‘s baby bump is actually a prosthetic. Some say she is sporting the foam bump while a surrogate secretly carries her and Jay-Z‘s child.

Check out this video and skip to 0:49 for the interesting part. What do you think?