The Bold and the Beautiful star Lisa Yamada has made a blunt confession about the sudden change in her character Luna.

When Luna first debuted on the CBS soap, she was a sweet intern at Forrester Creations. However, within months, Luna went from an innocent young girl to a murdering psychopath.

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Lisa Yamada Addresses Luna’s Sudden Change on The Bold and the Beautiful

The change in Luna earned Yamada her first Daytime Emmy Award nomination. Ahead of the ceremony, the actress revealed the real reason Luna went from good girl to the most hated villain on the show right now.

It turns out that Yamada had a conversation with executive producer and showrunner Bradley Bell at the Christmas party in 2023. Yamada admitted she was tired of paying sweet Luna and wanted Luna to channel her bad side.

Little did she know, Bell was going to go full-on crazy with Luna, who literally crossed over to the dark side, instead of just channeling it.

“I meant a badass—like Jacqueline MacInnes Wood’s Steffy,” she explained with a laugh. “I guess he took that and ran with it, but I had no clue at the time. When Tom and Hollis were killed off the show, we all had conspiracy theories and there were so many names to consider—but Luna was definitely not one of them!” she told Women’s World.

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The Bold and the Beautiful’s Lisa Yamada Got Help From Her Co-Stars

Even though she was ready for a change in her alter ego, Yamada wasn’t confident she could do justice to making Luna the villain she has become.

Lucky for her, she was paired with soap vet Don Diamont (Bill), who knows all too well how to play a bad guy.

“He’s my mentor, because I was kind of worried about the whole evil storyline. I used to just come into work, say sweet dialogue, and call it a day. Now, I’m always sobbing and screaming and swinging a gun around! Don saw my potential before even I did, and he championed me,” Yamada expressed.

The revelation that Luna is the granddaughter of another iconic villain from The Bold and the Beautiful, Sheila (Kimberlin Brown), also helped Yamada. Brown has been playing Sheila for decades and shared her interesting take on it with the young actress.

It turns out Brown’s advice was to have fun with it, because being the villain gives a person the most interesting storylines to play on the show. Now that Yamada has lunatic Luna down, she’s finally able to see what Brown was talking about.

Tune into the Daytime Emmy Awards on Friday, Oct. 17, to see if Yamada takes home her first statue. She is nominated in the Outstanding Emerging Talent category.

The Bold and the Beautiful airs weekdays on CBS.

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This story was originally reported by Parade on Oct 15, 2025, where it first appeared in the TV section. Add Parade as a Preferred Source by clicking here.