Sam Asghari has 'filed for divorce' from Britney Spears after one year of marriage

Sam Asghari has reportedly filed for divorce from Britney Spears after one year of marriage.

TMZ, ET Online and PEOPLE have reported the Iranian-American model lodged documents to separate from the pop star and he's cited 'irreconcilable differences' for the split.

The two married 14 months ago in a lavish and stunning wedding that was attended by huge A-listers.

There had been some rumblings that the two weren't doing too well in the last few months and TMZ claims they recently had a 'nuclear argument'.

It's alleged Sam confronted Britney with allegations of infidelity, however the nature of those rumors haven't been revealed or confirmed.

The 41-year-old pop star was spotted driving around Los Angeles on the day the news broke that the couple were about to break up.

Photographers captured the singer not wearing her wedding ring while behind the wheel.

The two organized an 'iron clad' prenup before they got married in June last year to protect Britney's assets.

However, there could be a big legal battle about to unfold.

TMZ reports Sam's lawyer, Neal Hersh, has included a clause in the divorce filing that reads: "[Sam] has yet to determine the full nature and extent of the separate property assets and obligations of each party.

"There are various items of community and quasi-community assets and debts, the full nature and extent of which are unknown to [Sam] at this time."

UNILAD has reached out to Britney's representatives for comment.

The pop star seemed to be undisturbed by all the rumors circulating online as she's posted on Instagram about wanting a horse.

Yep, really.

She wrote: "Buying a horse soon !!! So many options it’s kinda hard !!! A horse called Sophie and another called Roar ??? I can’t make up my mind !!! Should I join the camaraderie and put a pink cowboy hat on ??? Either way I think I found my sweet spot with Roar."

It was only three months ago that Sam was hitting back at rumours that he and Britney were on the rocks.

In a since-deleted Instagram post, Asghari wrote: "Ninety-nine percent of the time those are all clickbait [stories] for you to click and for them to make money, and that time is over."