Selma Blair is such a proud mama!

The actress shared a Twitpic on Friday of her two tuckered-out guys with the caption "My Boys" underneath, and it's our first chance to get a real good look at 3-week-old baby Arthur Saint Bleick!

The Cruel Intentions star and her fashion designer boyfriend, Jason Bleick, welcomed their little bundle of joy on July 25 in NYC -- after Selma was nearly two weeks overdue.

Find out why the 39-year-old actress was nominated for a Grammy this year, after the jump ...