Bucking the trend of gorgeous Hollywood stars who say they'll never go under the knife is Liv Tyler. "I'm definitely going to have some, I'm sure," the actress admits in the July issue of Allure. "Especially when you see what happens to your body after you have a baby." The 30-year-old mother of Milo, 19 months, talks about the workout regime she had to take on after giving birth. "I was trying to get back into shape, so I went to the gym every day," she says, "sometimes twice a day." But Liv is philosophical about the job requirements of an actress and model. "I have to make a living," says Liv. "I guess I could sell my house and go live a really simple life in a trailer somewhere."