Elizabeth, who played Jessie Spano in the 90s TV show, was spotted with her two favourite boys at the Farmers Market in Beverly Hills as they browsed around the shops.
Dressed in a denim jacket, jeans and tan ankle boots, Elizabeth looked every inch the yummy mummy as she carried Sky, 19 months.
Greg, who is an American painter and the nephew of fashion designer Ralph Lauren, meanwhile looked seriously cool and casual in an all-black outfit.
Elizabeth married Greg in Mexico in 2003 and they welcomed their son Sky Cole in July 2012, eight days before her 40th birthday.
At the time, the couple told People: "The moment we both saw him it was love at first sight.
"We are over the moon and grateful to start this amazing adventure together as a family."
Celebrities who have announced pregnancies in 2014:
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