07/25/2013 at 01:00 PM EDT
She's a mom-to-be on the go! And she's all about comfort.
stepped out Tuesday near her home in Sussex, England, for a little grocery shopping, sporting an emerging baby bump. She was photographed wearing a loose-fitting dress and flip-flops.
The Oscar winner, 37, announced her third pregnancy
in June. She and husband Ned Rocknroll
– who wed in a secret ceremony
last year – were "delighted" with the news of their first child together, according to a rep statement at the time. The pair began dating in the fall of 2012.
Winslet is also mom to daughter Mia, 12, and son Joe, 9.