There Was an Old Lady Who Lived in a Shoe ...

In case you lose count of how many kids there are in the Brangelina brood, just peep Angie's left arm.

Angelina showed up for her new movie last night with a new accessory -- a tattoo. Well, two tattoos, to be exact, and they ain't even that new.

See, Ang tattoos the latitude and longitude of the birthplace of each of her children on her left arm. So now she's got two new lines to symbolize the births of Knox and Vivienne.

At the rate she's going, she's going to run out of skin.