Josh Duggar maintained a secret Facebook profile he used to carry on friendships with strippers and lingerie models.

The former reality TV star and anti-LGBT activist admitted Thursday to being unfaithful to his wife after reports showed that he paid for two accounts with the adultery website Ashley Madison.

He also admitted in May to molesting four of his sisters and a family friend more than a decade ago, when he was a teenager.

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Radar online reported that the same email address Duggar used to set up the Ashley Madison accounts was used to set up a Facebook profile for “Joe Smithson” — whose friends are primarily women who live in the Arkansas area.

The account lists just a few “likes,” including Miss Michigan 2011 Elizabeth Wertenberger, porn actress Danica Dillon, and the MTV show “The Hills.”

Most of “Smithson’s” 31 friends are young women, including a dancer at Sensations Gentleman’s Club in Arkansas, a lingerie model, and a boudoir photographer.

Only two posts, shared nearly a year apart, are visible on the account’s timeline.

“Working late, but some days just bring that. Anyone else have crazy days?” he posted in April 2013.

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“Chillin in the town today. Some days are half full, others are half empty,” he posted in January 2014.

The profile indicates that “Smithson” was posting on the site as early as 2004 — four years before Duggar was married.

The 27-year-old Duggar resigned his position with the Family Research Council, where he spoke out against same-sex marriage, after the molestation was revealed.

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TLC canceled his family’s popular reality program, “19 Kids and Counting,” last month.