Mossimo Giannulli Files for Divorce From Lori Loughlin

The 63-year-old fashion designer submitted legal documents citing irreconcilable differences following a 2025 separation.

Updated on Oct. 16, 2026 in Divorce

Bold flat-color editorial illustration depicting a single door ajar in a vast space, evoking the separation and legal conclusion of a marriage.
Fashion designer Mossimo Giannulli has filed for divorce from actress Lori Loughlin, following a previous petition filed by Loughlin in late 2026. AI Illustration. Upload story photo >

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Should prenuptial agreements be updated if financial circumstances shift significantly over a long marriage?

Mossimo Giannulli has officially filed for divorce from actress Lori Loughlin, requesting that the court address spousal support and legal fees. This move follows an initial divorce petition filed by Loughlin in September 2026.

Why it matters

The legal filing formally advances the separation process for the couple, who were married in 1997 and separated in 2025. Both parties have now initiated court action to settle the terms of their divorce, including financial arrangements.

Mossimo Giannulli, 63, and Lori Loughlin, 62, were married for 28 years and share two daughters. The couple had previously signed a prenuptial agreement before their 1997 wedding.

The players

Mossimo Giannulli

He is a fashion designer known for his eponymous clothing brand that gained significant retail distribution in the 1990s.

Lori Loughlin

She is an actress widely recognized for her long-standing role as Rebecca Donaldson-Katsopolis on the television sitcom Full House.

The details

The divorce proceedings follow an earlier petition filed by Loughlin in September 2026, which described the union as irretrievably broken. Giannulli’s latest filing cites irreconcilable differences as the grounds for the dissolution of the marriage.

Timeline

  1. The couple married in 1997.

  2. Lori Loughlin and Mossimo Giannulli separated in 2025.

  3. Lori Loughlin filed for divorce in September 2026.

  4. Mossimo Giannulli filed for divorce on October 15, 2026.

Culture Shift

The separation of the longtime couple reflects a broader societal shift toward gray divorce, where established marriages end later in life. This movement highlights changing attitudes toward long-term partnership duration and marital stability for older adults.

The outcome of the court-determined spousal support and legal fees will establish the financial framework for the couple’s post-marital life. Residents observing the case may note how prenuptial agreements function in the context of long-term legal proceedings.

The takeaway

The initiation of court proceedings serves as a reminder that complex financial agreements like prenuptial contracts still require judicial oversight during a formal divorce. Couples seeking to resolve separations often turn to the courts to finalize assets and spousal support duties.

Further reading

For more information on legal dissolution trends, visit the United States Divorce section.

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Should prenuptial agreements be updated if financial circumstances shift significantly over a long marriage?