Several of the mothers on Dance Moms threaten to walk out this week — after a mutiny erupts when Abby Lee Miller makes a surprise return to her studio. Abby — currently serving a 366-day sentence for bankruptcy fraud — has been absent from the series in recent weeks because it was filmed while she was dealing with her legal issues before her sentencing. But on tonight’s episode she returns unexpectedly, leaving the moms threatening to walk out over her actions surrounding top choreographer Laurieann Gibson — who was brought in after Abby left. Jill Vertes is one of the...read more