Published: 20:01 EST, 23 September 2014 | Updated: 20:18 EST, 23 September 2014
She's a busy, in-demand actress.
But for now, at least, motherhood is at the top of Zoe Saldana's mind.
On Tuesday, the pregnant 36-year-old was seen cradling her sister Mariel's newborn daughter in Los Feliz, and seemed to be enjoying a blissful moment with her niece.
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Practicing for motherhood? Zoe Saldana cheerfully held her sister Mariel's newborn girl in Los Feliz on Tuesday
Practicing her mothering skills: Saldana closed her eyes as her sister's little one leaned against her
Zoe - who is expecting a little one of her own with husband Marco Perego - was a natural as she affectionately held her sister's daughter.
The actress chatted with her sister and gently held her niece with both hands secured around her body.
At one point, Zoe closed her eyes as her niece rested against her arm.
Love: The star's newborn niece was outfitted in an adorable white onesie
She has her arms full! The Guardians Of The Galaxy actress hoisted her niece into her arms as she chatted with her sister Mariel
Indeed, Zoe was happy as she savoured a relaxed moment with her family.
As for her ensemble, the actress kept it comfortable in a dark grey top, white undershirt and a soft black skirt.
She opted for a low-maintenance hair 'do, and appeared to have stepped out without a scrap of make-up on her lovely face.
A little bit of lifting: The actress readjusted her grip on the newborn
There, there: Zoe gently held her sister's little one close to her chest
Zoe only revealed her pregnancy a month ago and few weeks later, her Crossroads co-star and close friend Britney Spears let it slip that she was expecting twins - although that has yet to be confirmed.
Meanwhile, Zoe is serving as executive producer in the upcoming AOL original series, My Hero.
Comfortable: The Predator actress donned a comfortable black skirt and grey top for her relaxed outing
Her hero: Zoe kissed her mother Asalia Nazario in the trailer for the upcoming AOL series My Hero
The series will spotlight different stars as they surprise a person who assisted in transforming their lives.
In one episode, Zoe honoured her mother Asalia Nazario, who raised Zoe and her two sisters Mariel and Cisely as a single mother.
My Hero is slated to air on October 24.
'Wish us luck!' The Star Trek actress was ready to surprise her mother with what was surely an emotional tribute
Emotional: Zoe's mother wiped tears rolling down her face with a napkin