Caylee Cowan Raves About Love for Boyfriend Casey Affleck

At the premiere of Spinning Gold in Los Angeles on Wednesday, actress Caylee Cowan opened up to PEOPLE about her romance with boyfriend Casey Affleck, calling him "everything."

Casey Affleck & Girlfriend Caylee Cowan Romentic Date Night at Los

Casey Affleck, 47, cozies up to glamorous girlfriend Caylee Cowan

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

Casey Affleck and Caylee Cowan spark engagement rumors

Casey Affleck and Caylee Cowan Spark Engagement Rumors With Ring

Casey Affleck's, 47, girlfriend Caylee Cowan, 24, attends star

Casey Affleck smooches girlfriend Caylee Cowan as they enjoy a

Caylee Cowan Raves About Love for Boyfriend Casey Affleck

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

Casey Affleck, 46 and his girlfriend Caylee Cowan, 24, look

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

Ben Affleck & Jennifer Lopez's In-Laws Clash Ahead Of Christmas

Casey Affleck, 47, and beau Caylee Cowan, 24, share a smooch on