Mamie Gummer, Benjamin Walker
Mamie Gummer and her husband Benjamin Walker have split, Us Weekly reports.
"It's very amicable," Gummer's rep told the magazine.
Check out more shocking celeb breakups
Gummer and the Abraham Lincoln: Vampire Hunter
star announced their engagement in 2009 and married in July 2011. They met while performing in a 2008 Broadway production of Les Liaisons Dangereuses
Gummer, who recently starred in Emily Owens, MD
, is the second-eldest child of Meryl Streep
and sculptor Don Gummer.