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 Cowan, 23, passionately

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What fight? Casey Affleck and Caylee Cowan put on a loved-up

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

Casey Affleck holds hands with girlfriend Caylee Cowan as they

Casey Affleck 46 and Caylee Cowan 23 spark engagement rumors

Casey Affleck & Caylee Cowan's Unique Anniversary Date

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Casey Affleck Shares Videos of Flowers for Caylee Cowan's Birthday

Casey Affleck, 46, wraps arm around girlfriend Caylee Cowan, 23

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