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

Jon Hamm and Casey Affleck pull off casual chic as they arrive at a pre-Grammys party in Los Angeles

Jon Hamm & Casey Affleck Attend Pre-Grammy Party Together in LA (See the Pics!)

Casey Batchelor looks incredible in pink crop top and leggings as she films for her Yoga Blitz app