A New Zealand mother of two has opened up about a secret, controversial relationship involving her sister that most people would “disapprove of.”

Timara Rapana confessed that her sister is dating her ex-husband — who also happens to be the father of her children.

“There wasn’t really a conversation, I just noticed they were together and that was that,” the 37-year-old told the Daily Mail.

“I’m OK with it because everybody deserves love and happiness,” she said.

“My focus is on my own life, my little family and making sure I’m there for my daughter mentally and emotionally because she’s the only one that matters in the situation.”

A video of the two sisters dancing back to back asks: “Wait is your sister with your ex husband/baby daddy??” before the words “Yup” appear on-screen.

“It’s keeping it in the family,” Rapana captioned the video.

“Yup it’s weird but I choose to not be bothered by it.”

https://www.instagram.com/p/DEJLodZTdZy/?hl=en

However, people in the comments section had plenty to say about the awkward dynamic.

“Eight billion people in this world sis, and you decide you want your brother in-law. Goodness me,” one person wrote.

Another pointed out: “If your sister has kids with your ex that makes them siblings and cousins all in one; how confusing for the kids.”

There were some who commended the body positivity influencer.

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“You’re a better woman then me cause I could never,” one person wrote.

Rapana and her ex were married for a decade but separated after the first year, according to the DailyMail.

They finalized their divorce earlier this year.