Casey Affleck, 46, and girlfriend Caylee Cowan, 23, passionately

The 46-year-old Oscar winner and his 23-year-old girlfriend took their relationship to the next step by sharing photos of themselves kissing to mark one year since they met.

Casey Affleck, 46 and girlfriend Caylee, 24, attend Cannes as she

Netflix action star Alexander Dreymon lays one on partner Alison

Casey Affleck, 46, packs on the PDA with girlfriend Caylee Cowan

Casey Affleck, 46, Packs On The PDA With His Bikini-clad

Casey Affleck passionately kisses girlfriend Caylee Cowan aboard a

Casey Affleck 46 and Caylee Cowan 23 spark engagement rumors

Casey Affleck, 46, cuddles bikini-clad Caylee Cowan, 23, in Tulum

Casey Affleck and Girlfriend Caylee Cowan Attend Los Angeles Gala