They're having a baby boy!

Former Playboy bunny Holly Madison, who's pregnant with her and hubby Pasquale Rotella's second child, revealed they're expecting a son.

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The over the top announcement came in front of thousands at an electronic dance festival, complete with fireworks. "This is @pasqualerotella and I doing a low-key gender reveal," the blonde beauty jokingly captioned a shot of the big moment.

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The couple announced the pregnancy in January, admitting big sister Rainbow Aurora, 3, would love another girl in the fam.

"She really wants a sister," the 36-year-old told Us Weekly before the reveal. "So, if it's a boy, I hope she's not too disappointed."

Here's hoping the siblings will get along anyway!