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 future set. From Neil Patrick Harris to Angelina Jolie, scroll down to see more celebs who are mom and dad to a multitude of multiples.