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Ricky Martin poses with his sons Valentino and Matteo on August 18, 2009 in Miami, Florida. Pablo Alfaro/Ricky Martin via Getty Images

Double the love! While Mary-Kate and Ashley Olsen are arguably the most famous set of twins, there is a brood of young celebrity twins who one day could eclipse them, especially Beyoncé and Jay Z's set. From Neil Patrick Harris to Angelina Jolie, scroll down to see more celebs who are mom and dad to a multitude of multiples.