It’s Britneys, bitch.

Costumes this good should wear a warning.

And luckily, they didn’t both wear the same costume.

LOS ANGELES, CALIFORNIA - OCTOBER 27: Paris Hilton arrives to the Annual Casamigos Halloween Party on October 27, 2023 in Los Angeles, California.

Paris Hilton as Britney Spears' ‘Toxic’ stewardess at the 2023 Casamigos Halloween Party.Michael Kovac/Getty

“In honor of our Queen,” the"Stars Are Blind" singercaptioned the clip.

“Happy Halloween.”

The Simple Lifestar wasn’t the only one with Britney on the brain.

Kelly Sawyer Patricof and Jessica Alba attend the Annual Casamigos Halloween Party on October 27, 2023 in Los Angeles, California.

Kelly Sawyer Patricof and Jessica Alba as Britney Spears.Michael Kovac/Getty