The game is afoot! ...Assuming the game is peekaboo, that is.

On Thursday, Elementary star Lucy Liu posted a black-and-white photo to Twitter and Instagram showing off her latest accomplishment: Son Rockwell. Her rep confirmed to the Los Angeles Times that he was born via surrogate.

"Introducing the new little man in my life, my son Rockwell Lloyd Liu," she captioned the pic.

Check out the craziest celebrity baby names

It's the first child for Liu, who is neither married nor attached to anyone at the moment. Think Jonny Lee Miller will step in as a father figure?

Here's the unbearably cute pic:

WATCH: Lucy Liu talks Elementary and directing:

-shockwave-flash' height='338' width='600'>