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,

Watts broke down in tears as she sent her son off to USC, sharing her emotional goodbye to Sasha on her Instagram Story on August 18. In the photos, Watts is seen holding on to Sasha’s waist, burying her head into his chest as his luggage is seen on a sidewalk (including a small dog!).