The pop star has officially tied the knot (baby) one more time.

It’s marriage, bitch.

Alexander told security his ex had invited him, all while streaming live on Instagram.

HOLLYWOOD, CALIFORNIA - JULY 22: Britney Spears and Sam Asghari attend Sony Pictures' “Once Upon A Time…In Hollywood” Los Angeles Premiere on July 22, 2019 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)

Britney Spears and Sam Asghari.Jon Kopaloff/FilmMagic

“She’s my first wife, my only wife.

I’m her first husband.

I’m here to crash the wedding,” he said in the videocaptured by TMZ.

In May, thecouple revealed they lost their “miracle baby"in a joint Instagram statement.

“This is a devastating time for any parent.”

“We will continue trying to expand our beautiful family.

We are grateful for all of your support.”