by Chelsea StewartBuzzFeedBuzzFeed StaffI'm Chelsea, the Weekend Editor at BuzzFeed, where I cover everything from pop culture and politics to TV and celebrity news. Hilary Duff finally broke her silence on Ashley Tisdale's viral "toxic" mom group essay. Nbc / Getty Images, Jean Baptiste Lacroix / Getty Images If you recall, Ashley - a mother of two - chronicled her experience in a January essay for the Cut, where she described feeling iced out of a group of working moms. Michael Tullberg / Getty Images Ashley wrote that, initially, she "felt a sense of belonging" in the group.