EXCLUSIVE: Holly Madison Is 'Ready to Pop' With Baby No. 2, but Wants Way More Kids

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.

Pregnant former Playboy model Holly Madison opened up to ET's Katie Krause about motherhood and revealed that her daughter is already pitching names for her soon-to-be baby brother.

"I'm ready to pop!" Madison told ET about carrying baby number two.

WATCH: Holly Madison on Bill Cosby-Hugh Hefner Lawsuit

Madison and her husband, Pasquale Rotella, revealed the pregnancy news in January by sharing a sonogram on Instagram.

"Blessed and excited to announce @hollymadison and I have a baby owl on the way!" Rotella wrote at the time.

The couple are already parents to 3-year-old daughter, Rainbow, who has warmed up to the idea of having a brother.

"She's finally accepted it," Madison said. "At first I was like, 'You're getting a brother,' and she was like, 'No, I want a sister!' ... Now she's into it!"

WATCH: Holly Madison Fires Back at Hugh Hefner's 'Rewriting History' Criticism

In fact, Rainbow is so into it that she's already got a name selected, but whether her parents actually go for it is another story.

"The name she picked out was Strawberry, so I don't think I'll go with that!" Madison said.

While it's doubtful Rainbow will get to name her second sibling, she could get another chance. Madison revealed that she and Rotella would like to keep having children.

"We'll see how this one behaves, but my husband wants a lot of kids, so we'll see," Madison shared. "He's like, 'Let's have six!' ... We might end up adopting some because I don't know if I can push them all out."

The New York Times best-selling author has officially put her past as a reality star behind her (she says she has no desire to do a family reality show), but her past dating life is brought to light in her new book, The Vegas Diaries. Madison admitted there was a time when she feared the book might have gotten too personal.

WATCH: Holly Madison Is So 'Done' With Kendra Wilkinson

"At the last minute, as a writer you kind of get stage fright, and you're like, 'Why am I putting this out there?'" Madison explained. "But that's the point of sharing an authentic story is really writing about the things that make you feel, whether they make you feel embarrassed, happy or sad or angry. If I would have taken it out, it would have been boring."

The Vegas Diaries is available now.