The former couple was photographed leaving a LA church service for the holiday, which they attended with their three children, Violet, 11, Seraphina, eight, and Samuel, five, reported E! Online.
Garner, 45, opted for a blue sundress for the occassion, while Affleck, 44, donned similar hues, sporting a bluish-grey jacket with jeans and a white and blue shirt.
The duo filed the documents together nearly two years after they originally announced their split.
The two are seeking joint legal and physical custody of their kids.
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