Buzzing around a queen bee roleQuietly developing for a few years now, Mean Moms finally has a director in Horrible Bosses 2's Sean Anders. And he may be about to re-team with one of his stars from the comedy sequel, since Jennifer Aniston is in the frame for the leading role.Mean Moms is, to some extent, a belated follow-up to Mean Girls, since it's based on the non-fiction, self-help work of the same author, Rosalind Wiseman.