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 and Caylee Cowan Out In Malibu

Casey Affleck's Girlfriend Caylee Cowan Goes Prehistoric for

Casey Affleck, 46, can't let go of his new girlfriend Caylee Cowan

Casey Affleck passionately kisses girlfriend Caylee Cowan aboard a

Casey Affleck Makes Romance with Caylee Cowan Instagram Official

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

Casey Affleck, girlfriend Caylee Cowan share open-mouthed kiss

Casey Affleck packs on PDA once again with rumored fiancée Caylee

Casey Affleck, 46, cuddles with Caylee Cowan, 23, as she wears a

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