The actress also credits her firstborn, 22-month-old son James Knight, with helping her shed the pregnancy pounds.
“I was chasing [him] around for my entire pregnancy and then chasing [him] around as soon as I had the baby,” King told PEOPLE at the Michael Kors Gold Fragrance launch party in New York City on Sunday.
“I don’t believe in the word diet because I think the word dieting comes with judgment,” King, 36, says. “When I hear the word diet, I want to punch the word in the face because it tells people that you can’t have something. You should be able to have things that love and nourish your body.”