Tori Spelling and her husband, Dean McDermott, are getting shockingly raw and honest on their new Lifetime show premiering April 22, "True Tori."

The docuseries is perhaps the most revealing endeavor Spelling, 40, has done before, despite having spent most of her life in front of the camera as a teen on "90210? and then alongside her husband in a series of reality shows.

But this time, Spelling lets cameras into her most private world, allowing them inside therapy sessions with McDermott.

"I wanted people to get me, to see the real me," she explains on "True Tori" of her decision to let the cameras keep rolling during those times.

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McDermott himself confirms the rumors of his cheating, which first hit tabloids in December, saying in a promo for the show, "I was out of control. Sex was an escape, just like drugs or alcohol."

And now, fresh out of rehab for "health and personal issues," the actor, 47, joins his wife on-camera as they try to repair their marriage.

"I got a call from my publicist," Spelling begins on the show. "And she said, 'I just want to tell you something. It's a girl, and she's claiming that she had an affair with Dean in Toronto when he was there. The girl has come forward. She's put her name to the story. She's giving all the details, and it's going to come out next week,'" which, Spelling notes, happened to be Christmas.

Spelling told Us magazine in an exclusive interview, "It was not a decision I came to easily… I wanted to tell my story exactly as it was happening, what my feelings were."

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In the show, the mother of four talks about the stress of juggling family, dodging constant paparazzi and even visits her husband in rehab.

But can putting something so intimate on TV ultimately cause the lines of what's real to get blurred?

"Unfortunately, I think having the cameras around could cause them to sweep a lot of true issues under the rug," relationship coach Donna Barnes told ABC News. "This show is like really putting a Band-Aid on a wound that really needs to be healed, before it's exposed to the public."