Mischa Barton and her boyfriend Gian Marco Flamini both cut very casual figures as they step out

Mischa Barton and boyfriend Gian Marco Flamini pick up coffee after running errands in Los Angeles

Mischa Barton color coordinates with boyfriend Gian Marco Flamini in brown sweater out in LA

Mischa Barton and boyfriend Gian Marco Flamini have their hands full after a food run in Los Feliz