No putting your feet up yet!  Pregnant Jenna Fischer shows off her blooming baby bump as she wheels her son around in red wagon

By Christine Rendon

PUBLISHED: 21:50 EST, 15 March 2014 | UPDATED: 21:50 EST, 15 March 2014

She may be well into her pregnancy, but on Saturday Jenna Fischer showed she wasn't too tired to roll up her sleeves to tow her son.

The Office actress, who is expecting a second child with husband Lee Kirk, was captured wheeling her young son Weston on a sunny Los Angeles day.

The newly 40-year-old brunette beauty opted for a casual and comfortable weekend ensemble, letting her hair down and showing off her sunny highlights.

Wonder woman! Jenna Fischer opted for a comfortable and casual ensemble while towing her young son around in Los Angeles on Saturday

Wonder woman! Jenna Fischer opted for a comfortable and casual ensemble while towing her young son around in Los Angeles on Saturday

Fischer was spotted in a pair of comfortable grey and loose-fitting pants with a matching grey stripped blouse that gave her belly plenty of breathing room.

The actress teamed the outfit with a trendy pair of Toms shoes, and kept her gaze protected behind large Wayfarer-style sunglasses.

Fischer appeared to be make-up free on Saturday, opting to show off her natural pregnant glow rather than a dusting of blush.

Look at that belly! Fischer showed off her bulging midsection in her comfortable grey striped blouse

Look at that belly! Fischer showed off her bulging midsection in her comfortable grey striped blouse

She appeared to be completely in her element as she towed her son around the suburban neighborhood.

Her young son appeared to be content and relaxed as he lounged in the Radio Flyer wagon.

Kirk kept protected from the sun beneath a matching red cap, and wore a comfortable blouse like his mother.

Natural glow! The Office actress opted for a make-up free look and showed off her natural beauty with her brunette mane styled down

Natural glow! The Office actress opted for a make-up free look and showed off her natural beauty with her brunette mane styled down

A dark navy sweatshirt draped over the front of the wagon, perhaps tossed aside as the Los Angeles winter day heated up.

On Friday Fischer tweeted 'So I'm pretty sure the crazy nesting phase of my pregnancy has kicked in. Yesterday, I dusted the pipes in my basement.'

Family time: The 40-year-old actress appeared to be completely in her element as she contentedly spent time with her young son

Family time: The 40-year-old actress appeared to be completely in her element as she contentedly spent time with her young son



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Who is she exactly

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Love her in the office!!

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