costume set film movie Jennifer Garner Steve Carell school

Jennifer Garner and Steve Carell shot Alexander and the Terrible, Horrible, No Good, Very Bad Day in LA on Tuesday, and the duo were seen with an adorable tyke on set.

The film is based on the book of the same name written by Judith Viorst and illustrated by Ray Cruz, and in 1990, it was adapted into a half-hour animated TV special on HBO. Needless to say, we're very curious as to how producers plan on turning a 32-page kids book into a feature film. Whatever, it's their job, not ours!

Sure, it's not her son Samuel, but how cuuuute is this little guy?

costume set film movie Jennifer Garner Steve Carell school