The ornamental design for a babybib, as shown and described.
FIG. 1 is a front view of an outside of the baby bib showing my new design in a folded configuration;
FIG. 2 is a back view of the outside thereof in the folded configuration;
FIG. 3 is a view of the outside thereof in a flattened configuration showing a pocket formed of overlapping material;
FIG. 4 is a view of the inside thereof in a flattened configuration showing a pocket formed of overlapping material;
FIG. 5 is a front view of the outside thereof as worn in the folded configuration; and,
FIG. 6 is the front view of the outside thereof as worn in the folded configuration showing a bottle in the pocket.
The broken lines illustrate portions of the baby bib and the environment in which the baby bib is used and form no part of the claimed design. The crosshatch patterns represent a fabric material.