The former longtime couple's son Sasha will soon be starting his freshman year at the University of Southern California

Liev Schreiber’s son, Sasha, is all grown up and heading to college — and the reality of goodbye is finally settling in. “Starting to feel the pull,” Schreiber, 57, wrote via Instagram on Sunday, August 17,

The actress posted a photo of herself standing next to Sasha on a sidewalk as she buried her head into his chest.