Meryl Streep becomes a grandma at 69! Lookalike daughter gives birthScroll down to view the gallery belowundefined2017: Mamie Gummer and Meryl Streep2015: Mamie Gummer and Meryl Streep2015: Mamie Gummer, Rick Springfield and Meryl Streep2011: Mamie Gummer, Grace Gummer, and Louisa Gummer2009: Mamie Gummer, Meryl Streep and Grace Gummer2006: Mamie Gummer and Meryl StreepPreviousNext
