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Meryl Streep

Meryl Streep wasn't alone at the premiere of her new movie, "The Iron Lady." Streep was joined by her lookalike daughters, Mamie, Grace, and Louisa Gummer. (Getty Images)

Meryl Streep's Lookalike Daughters

Meryl Streep's three daughters, who all bear a striking resemblance to their famous mom, came out to support family at the premiere of "The Iron Lady.