Let the Renee Zellweger Bump Watch begin!

Is that a small baby bump or is that not a small baby bump? 

 

Could be anything -- big dinner, late night snackies, a few extra L.B.-s for the new "Bridget Jones" movie, bad lighting, too much satin, you get our drift.

But since Renee got real cozy with rumored squeeze Bradley Cooper's 'rents over the Christmas holidays, we are very suspicious. Cause they haven't really been "not dating" for very long, have they? 

What do you think? Bun or None?