Every time Ariel Winter stepped onto a red carpet, she knew what was coming: the stares, the whispers, the rumors. But for the 17-year-old star of Modern Family, she had a job to do—act. Act, and pretend she didn’t notice. But even though from the outside it looked like the attention didn’t bother her, there was an emotional and physical battle that she struggled with deeply inside. At 5’1, the petite star was dealing with more than an awkward growth spurt. “It really did happen overnight,” Winter says of her breast development.