Summer's Sweetest Siblings

From Eden and Savannah Mahoney to Brooklyn and Romeo Beckham, see which star tots are a double dose of cute

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VIOLET & SERAPHINA

Tiny dancers Violet, 5½, and Seraphina, 2½, put on a show of their own while celebrating the 4th of July with mom Jennifer Garner, dad Ben Affleck and a parade in Brentwood, Calif.