The actress, who has appeared in films including "Shakespeare in Love" and "Emma," paid a visit to Sally's Apizza in New Haven.
The pizzeria, located at 237 Wooster St., shared a photo from Paltrow's visit in a Facebook post, along with a photo of a message she wrote on a pizza box thanking the staff.
"For all the amazing people @ Sally's Apizza," the note reads. "Thank you for the most perfect pizza."
Paltrow is a former Northern Westchester resident, who lived in Waccabuc.
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