Marcia Cross: 45
At the age of 45, "Desperate Housewives" actress Marcia Cross welcomed fraternal twin daughters, Eden and Savannah, on February 20, 2008 after undergoing in vitro fertilization. "We did in vitro a week after we got married," Cross told People magazine. "We were supposed to go to Greece and Paris and have this fancy honeymoon, and I said, 'Let's stay put and see if we can't give this baby a chance.'" —Xfinity Entertainment Staff (Photo by Frederick M. Brown/Getty Images)
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