Casey Affleck, 46, can't keep hands off new girlfriend Caylee

Casey Affleck put on a public display of affection recently with his new, much younger girlfriend, Caylee Cowan. The two canoodled in plain sight in Los Angeles last week before parting ways.

Casey Affleck, 46, can't keep hands off new girlfriend Caylee Cowan, 23, as they kiss goodbye in LA

Casey Affleck & Girlfriend Caylee Cowan Have Been Spotted Several Times This Past Week!: Photo 4715953, Casey Affleck, Caylee Cowan Photos

Casey Affleck, 46 and girlfriend Caylee, 24, attend Cannes as she puts on busty display, Celebrity News, Showbiz & TV

Casey Affleck and girlfriend Caylee Cowan can NOT keep their hands off each other in a crowd

Casey Affleck's girlfriend Caylee Cowan, 23, flashes a diamond ring on engagement finger

Casey Affleck holds hands with girlfriend Caylee Cowan as they grab lunch with friends in LA

Casey Affleck Has a New Girlfriend After Split from Floriana Lima & They're Instagram Official: Photo 4667747, Casey Affleck, Caylee Cowan, floriana lima Photos

Casey Affleck, 46, can't keep hands off new girlfriend Caylee Cowan, 23, as they kiss goodbye in LA

Casey Affleck holds hands with girlfriend Caylee Cowan as they grab lunch with friends in LA

Casey Affleck, 46, and girlfriend Caylee Cowan, 23, share open-mouthed kiss

Casey Affleck & Girlfriend Caylee Cowan Hold Hands While Shopping in Beverly Hills, Casey Affleck, Caylee Cowan

Casey Affleck Has a New Girlfriend After Split from Floriana Lima & They're Instagram Official: Photo 4667745, Casey Affleck, Caylee Cowan, floriana lima Photos

Casey Affleck, 46, and girlfriend Caylee Cowan, 23, passionately kiss to mark a year since they met