Britney Spears鈥� former husband crashed her wedding site in southern California, authorities say.

Ventura County Sheriff鈥檚 Capt. Cameron Henderson said officers responded to a trespassing call after 2 p.m. Thursday. He says the pop singer鈥檚 first husband, Jason Alexander, was detained at the site of the ceremony.

Henderson says Alexander was arrested after officers noticed he had a warrant for his arrest in another county.

Alexander went on his Instagram live when he approached the event security. In what appeared to be a mostly empty but decorated room, he told them Spears invited him.

鈥淪he鈥檚 my first wife, my only wife,鈥� said Alexander, who was briefly married to Spears 鈥� his childhood friend 鈥� in 2014. Their marriage lasted only 55 hours.

鈥淚鈥檓 her first husband,鈥� he continued in the video. 鈥淚鈥檓 here to crash the wedding.鈥�

Spears was previously married to Kevin Federline, with whom she shares two sons, ages 14 and 15.

Spears and her fiance Sam Asghari were reportedly expected to marry on Thursday. The couple announced their engagement nearly nine months ago, after Asghari proposed with a four-carat diamond ring.

The couple met on the set of the 鈥淪lumber Party鈥� music video in 2016.

A representative for Spears did not immediately return a request for comment.

Authorities are still investigating the reported trespassing.

THE ASSOCIATED PRESS

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