There was a pivotal moment betweenTori SpellingandDean McDermottthat pushed her towardfiling for divorce.In the debut episode of herMisSPELLINGpodcast on Monday, theBeverly Hills, 90210star recalled an argument the now-exes had where McDermott made a comment that struck a nerve for her. Though she didn’t specify what her longtime spouse had said, it ultimately made her rethink her marriage to the 57-year-old Canadian actor.“I’ll never forget the night … We had just ordered Wendy’s and I’m not going to lie, I’m a big baked potato fan. Loaded baked potato. My mom taught me how to make them, I make them for everybody,” Spelling, 50, began. “So I had just gotten my baked potato from Wendy’s and I was super psyched about it because I had a long work day. And I was like, ‘Ooh.’ And I made it to perfection. I was like, ‘Oooh, this is a baked potato my mom would be proud of.'"(L-R) Tori Spelling and Dean Mcdermott is pictured attending Luskin Orthopedic Institute For Children Gala at Universal Studios Hollywood on June 10, 2023 in Universal City, California.Andrew J Cunningham/GettyThe actress continued, “And just as we made it, he came into the kitchen. Because it was a conversation — we had started fighting and I walked away, still passive-aggressively saying things, ‘cause I’m passive-aggressive — trying to work on that. And he was like, ‘What’d you say? What’d you say?’ And I was like, ‘Hmmm. Uh-huh, proceed — I said this!’ And yeah… so it just like, escalated and he came in screaming.“Amid the escalation, Spelling said, “He made a remark that I don’t want to discuss.“Taylor Hill/WireImage"It’s not even a terrible remark, it’s just a dig at something he knew would really be hurtful to hear,” she explained. “I think it was just in the moment he made that dig. It’s really nothing, but it’s something I took personal.“Spelling then changed course, choosing to unveil what McDermott had said. But the episode abruptly concluded before the big reveal.Spelling filed for divorce on Friday after 18 years of marriage, citing irreconcilable differences as the reason for the split. She also listed the date of separation as June 17, 2023 — the same day McDermottposted and deleted their separation announcement.Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.She is seeking sole physical custody of their five minor children —Liam Aaron McDermott, 17,Stella Doreen, 15,Hattie Margaret, 12,Finn Davey, 11 andBeau Dean, 7 — and joint legal custody with McDermott’s visitation rights to be determined at a later date.

There was a pivotal moment betweenTori SpellingandDean McDermottthat pushed her towardfiling for divorce.

In the debut episode of herMisSPELLINGpodcast on Monday, theBeverly Hills, 90210star recalled an argument the now-exes had where McDermott made a comment that struck a nerve for her. Though she didn’t specify what her longtime spouse had said, it ultimately made her rethink her marriage to the 57-year-old Canadian actor.

“I’ll never forget the night … We had just ordered Wendy’s and I’m not going to lie, I’m a big baked potato fan. Loaded baked potato. My mom taught me how to make them, I make them for everybody,” Spelling, 50, began. “So I had just gotten my baked potato from Wendy’s and I was super psyched about it because I had a long work day. And I was like, ‘Ooh.’ And I made it to perfection. I was like, ‘Oooh, this is a baked potato my mom would be proud of.'”

(L-R) Tori Spelling and Dean Mcdermott is pictured attending Luskin Orthopedic Institute For Children Gala at Universal Studios Hollywood on June 10, 2023 in Universal City, California.Andrew J Cunningham/Getty

Tori Spelling and Dean Mcdermott attend Luskin Orthopedic Institute For Children Gala at Universal Studios Hollywood on June 10, 2023 in Universal City, California.

Andrew J Cunningham/Getty

The actress continued, “And just as we made it, he came into the kitchen. Because it was a conversation — we had started fighting and I walked away, still passive-aggressively saying things, ‘cause I’m passive-aggressive — trying to work on that. And he was like, ‘What’d you say? What’d you say?’ And I was like, ‘Hmmm. Uh-huh, proceed — I said this!’ And yeah… so it just like, escalated and he came in screaming.”

Amid the escalation, Spelling said, “He made a remark that I don’t want to discuss.”

Taylor Hill/WireImage

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“It’s not even a terrible remark, it’s just a dig at something he knew would really be hurtful to hear,” she explained. “I think it was just in the moment he made that dig. It’s really nothing, but it’s something I took personal.”

Spelling then changed course, choosing to unveil what McDermott had said. But the episode abruptly concluded before the big reveal.

Spelling filed for divorce on Friday after 18 years of marriage, citing irreconcilable differences as the reason for the split. She also listed the date of separation as June 17, 2023 — the same day McDermottposted and deleted their separation announcement.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.

She is seeking sole physical custody of their five minor children —Liam Aaron McDermott, 17,Stella Doreen, 15,Hattie Margaret, 12,Finn Davey, 11 andBeau Dean, 7 — and joint legal custody with McDermott’s visitation rights to be determined at a later date.

source: people.com