1. In her last days on the job, Garner preferred saris to minis. "No more short skirts or high boots," says an Alias source. "She's just too big!"

2. What to expect when you're expecting? In Garner's case, a Nov. 7 kidnap scene. "She's tired but tries not to show it," says a pal.

3. To spy in swollen feet, Garner secretly wore "flats and slippers when she could get away with it," says the source.

4. Instead of camouflaging her condition, Garner (on set with Greg Grunberg) continued to vamp it up until Nov. 18, when she embarked on her maternity leave. Now, "she needs to put up her feet," says the friend. Not until after Thanksgiving. Spending the holiday with husband Ben Affleck and family in L.A., she plans on playing her favorite role: chef.

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