It seems that Google may have dropped the rich snippets, the review stars, from the Google search results for the Facebook results.
David Markovich posted on Twitter an example of the Google results that in the past showed Facebook listings with review snippets and now longer.
Here are those examples:
OLD:
NEW:
I can't seem to find any Facebook listings in Google that show rich snippets.
I am not sure if this is new or a bug or something else.
Forum discussion at Twitter.