Casey Affleck Celebrates One-Year Anniversary with Girlfriend

Casey Affleck and Caylee Cowan celebrated one year since becoming acquainted on their respective Instagram accounts Wednesday

Casey Affleck, 47, passionately kisses girlfriend Caylee Cowan, 24, at Venice Film Festival

Casey Affleck's girlfriend shares and deletes possible clue about why he didn't attend Ben and JLo's wedding

Casey Affleck Joins Younger Girlfriend Caylee Cowan at Oscar Party

Casey Affleck & Caylee Cowan Spark Engagement Rumors

Casey Affleck, 47, passionately kisses girlfriend Caylee Cowan, 24, at Venice Film Festival

Casey Affleck, 46, pictured mid-PDA with Caylee Cowan, 23

Casey Affleck's girlfriend shares and deletes possible clue about why he didn't attend Ben and JLo's wedding

Casey Affleck, 47, and girlfriend Caylee Cowan, 24, shop at Dunkin' Donuts in LA

Casey Affleck Celebrates One-Year Anniversary with Girlfriend Caylee Cowan

Jennifer Lopez, Ben Affleck 'to Have Massive 3-day Wedding Party And Ceremony This Weekend

Jennifer Lopez & Ben Affleck's Families Reportedly Do Not Get Along – SheKnows