© Provided by Daily MailMailOnline logo

She announced she is pregnant with her third child in October. 

And Hilary Duff looked effortlessly chic as she was seen on the set of Younger in Brooklyn, New York, on Thursday. 

The actress, 33, who plays Kelsey Peters in the sitcom, was spotted alongside her co-star Sutton Foster, who plays Liza Miller. 

© Provided by Daily MailGlowing! Hilary Duff looked effortlessly chic as she was seen on the set of Younger in Brooklyn, New York, on Thursday with her co-star Sutton Foster

The star wore skinny blue jeans which she paired with a black leather jacket. 

She wore white pointed heeled boots as she sat beside Sutton, who wore a long-line checked coat. 

The blonde beauty left her locks hanging around her shoulders in loose curls as the pair sipped from brown bottles.  

Co-stars: The actress, 33, who plays Kelsey Peters in the sitcom, was spotted alongside her co-star Sutton Foster (left), who plays Liza Miller

© Provided by Daily Mail

The pair were filming for the upcoming series of Younger, which first aired in 2015. 

Gallery: 'Hipster grandpa' and his girlfriend become Instagram stars (Daily Mail)

On Wednesday, Hilary reminisced on her changing figure with a series of selfies shared to Instagram, admitting she missed her pre-pregnancy body. 

She said she missed her bathing suit body before revealing her baby bump while taking a break from filming her popular TVLand programme, Younger. 

The actress reflected on her changing figure through the years after giving birth to son Luca, eight, and Banks, two. 

© Provided by Daily MailBeautiful: The blonde beauty left her locks hanging around her shoulders in loose curls as the pair sipped from brown bottles

© Provided by Daily MailFilming: The pair were filming for the upcoming series of Younger, which first aired in 2015

In a clip from her kitchen in California which she posted to Instagram Stories, she wrote: 'Would be lying if I told you I didn't miss this body.' 

From the comfort of her home, Hilary caught a glimpse of her changing form while sporting a cream coloured sweatsuit set. 

With a boy or girl poll across the photo, she showed off her pregnant stomach in a mirror and asked her followers for a few opinions.

'But this one is working hard and doing pretty cool things for our little/big family and I'm super grateful and excited about that,' she wrote. 

© Provided by Daily MailHonest approach: Hilary reminisced on her changing figure with a series of selfies shared to Instagram on Wednesday

© Provided by Daily MailBaby bliss: The actress was overwhelmed with gratitude for her body as she displayed her pregnant belly on Instagram Wednesday morning