Media watching the Gosselin house on Friday say Jon was nowhere to be seen on the couple's 10th wedding anniversary.
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E Online reports Jon and Kate Gosselin didn't celebrate the anniversary together and Jon wasn't see an all at the couple's Reading, Pa. home.
Instead, TLC's camera crews followed the 8 Gosselin kids and a nanny outside as they played.
Kate Gosselin made a brief appearance outside for a scene from the show.
E Online said Jon had not been seen at the couple's estate since Wednesday, when he finished running an errand involving the family's two dogs.