Lucy Liu Shares Sweet Pic of Her Baby Son Rockwell

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The 'Elementary' star posted an adorable photo of her little boy to Instagram on Monday.

Two months after welcoming her son, Elementary star Lucy Liu shared an adorable pic of her little bundle of joy on Instagram.

Her smiling 2-month-old son, Rockwell, looked totally adorable in his onesie with fire trucks and ambulances on it. 

"Mood #Rockwell," the actress simply captioned the super sweet snapshot on Monday.

WATCH: Lucy Liu Welcomes Baby Boy Via Surrogate

Liu has only posted a handful of photos since welcoming Rockwell, via surrogate gestational carrier, in late August. A week after her son's birth, she shared a black and white photo of her holding him.

"Rockwell and I so appreciate all your warm wishes!" Liu, 46, captioned the pic.

WATCH: 11 Celebrity Baby Bumps to Keep an Eye on This Summer

For more on Liu welcoming Rockwell earlier this year, check out the video below.