The picture "is so perfect because any portrait of me right now isn't complete without my identity as a mother being a part of that," Wilde says. "Breastfeeding is the most natural thing. I don't know, now it feels like Otis should always be on my breast."
She adds, however, "I certainly don't really look like that when I'm [typically] breast-feeding. And there's usually a diaper involved."
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PHOTOS: Getty Images, Glamour