Cédric Grolet baked the cake, which was served to guests during her birthday dinner at Lapérouse on Aug. 3 Martha Stewart/Instagram revealed how she celebrated her 83rd birthday in France. After and Cookie Monster surprised her with an early earlier in the week, Stewart shared a photo to on Saturday, Aug.

3, of herself holding another birthday cake. French pastry chef and friend to the stars made the cake for Stewart, who is among the watching the . “None other than baked my celebratory birthday cake served to me and my guests at where we are my birthday dinner Tonight! Yummy," the cookbook author captioned her post.

Related: Stewart wore a gray knit sweater over a white top in the photo and accessorized the outfit with a white necklace and matching teardrop earrings. She smiled as she held the tray displaying an off-white cake that appeared to be decorated with scallop details. On Sunday, Aug.

4, she also shared a photo of herself on taken at the Palace of Versailles during a tour of the historic location. "An early morning tour ..

. was are inspiring and very beautiful!!! [I] loved the newly refurbished hall of mirrors and the opera house," she captioned a photo of herself surrounded by grand chandeliers. Martha Stewart/Instagram Related: on Saturday attending the equestrian team dressage event at the Olympics with her .

As seen in photos of the duo, they sported matching riding helmets, jackets, white pants and sunglasses as they watched the horseback riding competiti.