Josh and Anna Duggar spent Christmas together at his rehab center

Josh Duggar and his wife, Anna, spent Christmas together this year after she flew to Illinois to be with him in rehab.

Anna flew to Rockford on a plane owned by the Duggar family, and returned home to Arkansas on Tuesday night.

"Everyone just had fun and seemed to be high spirits, including Anna," a source told People.

Josh checked into Reformers Unanimous, a faith-based treatment center, in August.

Jim Bob and Michelle Duggar said in a statement at the time, “For him it will be a long journey toward wholeness and recovery. We pray that in this he comes to complete repentance and sincere change.”

The father of four’s decision to check into rehab for sex addiction and other issues stems from the revelation he had molested his sisters as a teenager. He also admitted to cheating on his wife by using the website Ashley Madison.

In November, porn star Danica Dillon sued him for assault and battery for “manhandling” her during sex.

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