Casey Affleck, 46, and girlfriend Caylee Cowan, 24, share a kiss

The pair put on a loved-up display as they attended the 75th annual Cannes Film Festival in Cannes, France on Sunday.

Casey Affleck, 47, and his 24-year-old girlfriend Caylee Cowan at

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

New Couple Alert? Casey Affleck Kisses Caylee Cowan

Casey Affleck Kicks Off the Week at Lunch with Girlfriend Caylee

Casey Affleck, 46, and girlfriend Caylee Cowan, 24, share a kiss

Casey Affleck, 47, passionately kisses girlfriend Caylee Cowan, 24

Casey, 46, wraps arm around Caylee, 23, at alfresco lunch in LA

Casey Affleck - Wikipedia

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

Casey Affleck packs on PDA once again with rumored fiancée Caylee

Casey Affleck, 46, and Caylee Cowan, 23, spark engagement rumors

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