The couple, who first split in November 2014 before reuniting just a few weeks later, ended their relationship secretly a few months ago, reported E!Online.
Wright, 49 and 34-year-old Foster met on the set of their movie "Rampart" in 2011 and are believed to have started dating in February 2012.
She first showed off her engagement ring in January 2014 and admitted the following month she already "felt married" to Foster.
Wright was previously married to Dane Witherspoon and has two children, Dylan, 24, and Hopper Jack, 22, with second ex-husband Sean Penn.