Selma Blair is every bit the doting mom as she cuddles up with son Arthur on family outing in LA

Sarah Michelle Gellar and Selma Blair celebrate 24 years as BFFs with Cruel Intentions director

Selma Blair sports a chic sweater while running errands with  service dog Scout in Studio City

Penn Badgley Buzzed Off His Hair The Day They Shot The "Gossip Girl" Pilot, Which Apparently Was Not At All Planned