12. Bruce Willis
In April 2012, a 57-year-old Bruce Willis leaped onto the list with the birth of his fourth daughter, Mabel Ray, with his wife Emma Heming. Willis' oldest daughter Rumer, who he fathered with actress Demi Moore, is now 25. The actor recently welcomed his fifth child at age 59. —XFINITY Entertainment Staff (Photo by Jemal Countess/Getty Images)
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