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By PEOPLE.COM/Jen Juneau
Updated: Aug 30, 2016 @ 7:42 am

Many happy returns to the littlest Liu!

On Saturday, Lucy Liu wished her son Rockwell Lloyd a happy first birthday with a sweet photo and message on Instagram.

“Happy 1st birthday to my little love Rockwell!” she wrote next to a snap of her son at the Bronx Zoo, wearing a birthday hat and taking in a monkey exhibit.

“This has been the most incredible year of new adventures and endless fun,” the Elementary actress, 47, added. “Giant thanks for everyone’s generosity.”

Liu also shared a clip of herself helping her son blow out the candles on a huge birthday cake, on what looked to be the set of her show.

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“1st Birthday Wishes,” she captioned the video.

1st Birthday Wishes

A video posted by Lucy Liu (@lucyliu) on

The proud mama welcomed her son via a gestational surrogate in 2015, and told People in May that motherhood is something she enjoys greatly—and realizes is going by quickly.

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“I didn’t realize how quickly babies progress,” she said. “Very basic things that you just take for granted. They’re just this little lump of flesh, and then all the sudden they’re turning around, they’re observing you and they’re smiling and they’re interacting. It’s a magical experience.”