Lululemon founder Chip Wilson and wife Shannon “Summer” Wilson are reportedly divorcing after two decades, amid an unconfirmed claim that they lack a prenuptial agreement.

FOX Business reported that a family legal proceeding involving the Wilsons was filed in April with the Supreme Court of British Columbia. The filing year was not identified.

The court action raises a large financial question. Bloomberg’s Billionaires Index estimated Wilson’s net worth at roughly $6.1 billion, while the contents of the case remain sealed from public view.

Bloomberg, citing a person familiar with the matter, said the couple did not have a prenuptial agreement. No public document cited by FOX Business confirms that claim.

The Wilsons married in 2002, four years after Chip Wilson founded Vancouver-based Lululemon. Their shared history makes the dispute closer to a business reckoning than the usual celebrity divorce aftermath.

British Columbia law could put decades of gains on the table

British Columbia generally excludes the value of assets that a spouse owned before marriage. But growth in those assets during the marriage is generally treated as family property and divided equally.

Lorne MacLean KC, a Vancouver family lawyer and founder of MacLean Law, explained that distinction to the New York Post, as FOX Business reported:

“In British Columbia, the value of assets brought into the marriage is not shareable, but the gain is called family property and presumptively divided 50-50,”

That rule does not establish what either Wilson will receive. The filing’s contents, formal claims and requested terms have not been made publicly accessible.

It does explain why the timing matters. Chip Wilson started Lululemon in 1998, while the couple married in 2002. A court may have to distinguish earlier property from gains accumulated during their marriage.

Major divorce cases can turn on that dividing line, as readers saw in the SK Group divorce ruling. Ownership dates and changes in value can matter as much as the headline estimate.

Both Wilsons helped build the Lululemon enterprise

Shannon “Summer” Wilson was not merely the founder’s spouse. Her website identifies her as Lululemon’s founding lead designer, and FOX Business described her as Chip Wilson’s longtime business partner.

Both later left the company. Chip Wilson, however, remains one of Lululemon’s largest shareholders and has continued to speak publicly about the retailer’s direction.

FOX Business placed his stake at roughly 8.6% of the company, worth just under $1 billion. Summer Wilson owns nearly 1%, valued at about $100 million.

Those estimates offer scale, but they do not settle the case. Public stock holdings are only one part of any possible asset division, and the court documents do not disclose the couple’s positions.

The lack of accessible filings also separates this matter from cases where demands become public at once, such as the Matthew Bellamy divorce filing. Here, even the basic terms remain unknown.

No reason for the reported split has emerged

Neither a reason for the reported divorce nor a proposed division of assets was disclosed. FOX Business also said Lululemon and Chip Wilson could not immediately be reached for comment.

The couple’s ages were listed as 71 for Chip Wilson and 52 for Summer Wilson. Beyond those details, the public record described by FOX Business leaves major questions unanswered.

It remains unclear when the proceeding will become public, whether either spouse disputes the no-prenup claim, or how British Columbia’s property rules will apply to their holdings.

Other wealthy founders have faced costly divorces. Jeff Bezos and MacKenzie Scott finalized theirs in 2019, with Scott receiving an Amazon stake then valued around $36 billion, FOX Business noted.

Bill Gates and Melinda French Gates divorced in 2021 after 27 years of marriage. FOX Business said Gates transferred billions of dollars in stock to his former spouse after their announcement.

Those cases do not dictate the Wilsons’ outcome. They do show why ownership records, written agreements and clear court filings matter when a marriage and a vast business fortune grow together.

Private agreements protect private choices. Without clear terms, courts and legal presumptions can decide questions that careful planning should have settled years earlier.