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 smooches girlfriend Caylee Cowan as they enjoy a

Casey Affleck Picks Up Dunkin' Before Ben, Jennifer Lopez's Wedding

Casey Affleck, 47, and girlfriend Caylee Cowan, 24, have

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

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

Casey Affleck smooches girlfriend Caylee Cowan as they enjoy a

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

Casey Affleck, 47, and girlfriend Caylee Cowan, 24, have

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